#daily dose of science
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science-sculpt · 9 months ago
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Epigenetics: A Journey Through Inheritance Beyond Genes
For centuries, scientists have been fascinated by the mysteries of heredity and how traits are passed down from generation to generation. DNA, the molecule that stores our genetic code, was once thought to be the sole determinant of our characteristics. However, a new frontier in biology, revealing a captivating layer of complexity beyond the DNA sequence itself: Epigenetics.
What is Epigenetics?
The term "epigenetics" was first coined in the 1940s by British biologist Conrad Waddington, but it wasn't until the late 20th century that its significance truly blossomed. Epigenetics, literally meaning "above genetics," refers to the study of heritable changes in gene expression that occur without alterations to the DNA sequence itself. Imagine DNA as the musical score, but epigenetics are the conductor and musicians who determine how the music is played. Through chemical modifications and adjustments to the proteins around DNA, epigenetics dictates which genes are turned on or off, influencing how cells function and ultimately shaping our health, development, and even behavior. Think of your DNA as the hardware: it contains the basic instructions for building and running your body. But epigenetics acts like the software, fine-tuning those instructions and determining which genes get turned on or off at specific times and in specific cells. These modifications, like chemical tags or changes in the packaging of DNA, don't alter the underlying code itself, but they can have a profound impact on how it's read and interpreted.
The Key Players:
DNA methylation: This process involves adding a methyl group to DNA, essentially silencing the gene it's attached to. Imagine it like putting a dimmer switch on a light bulb.
Histone modifications: Histones are proteins that package DNA, and changes in their structure can make genes more or less accessible to the cellular machinery needed for expression. Think of it like adjusting the curtains around a window - open wide for full light, slightly closed for filtered light.
Non-coding RNAs: These are molecules that don't code for proteins but can regulate gene expression in various ways. They're like the backstage crew in a play, ensuring everything runs smoothly.
The Power of Epigenetic Regulation
Epigenetic regulation plays a crucial role in various biological processes, including:
Development: During embryonic development, different cell types emerge from the same DNA blueprint by activating or silencing specific gene sets through epigenetic modifications.
Cellular differentiation: Specialized cells like muscle or nerve cells have unique functions due to differences in their active genes, controlled by epigenetic mechanisms.
Learning and memory: Epigenetic changes in brain cells are thought to be essential for learning and forming memories.
Aging: As we age, our epigenome accumulates changes that can contribute to age-related decline and disease.
Environmental influences: Diet, exercise, stress, and exposure to toxins can leave epigenetic marks on our genes, potentially impacting our health and even the health of future generations.
Epigenetics reminds us that we are not simply products of our genes. Our environment, choices, and experiences leave their mark, shaping who we are and potentially influencing our children's health. This deeper understanding of ourselves opens doors for self-awareness, empowerment, and potentially reshaping our narratives – not just as individuals, but as a species with the potential to leave a healthier legacy for generations to come.
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aro-culture-is · 1 year ago
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quick note - this blog is gonna be sparse again for at least this week. trying new medications and tbh initial side effects are not super pleasant + actual effects build up. as a result: currently as if unmedicated for mental health, with anxiety+ side effect, extra fatigue, dizziness, and fatigue. it's uh, sure something.
totally recognize that most of y'all know we're absent at times due to health things, just wanted to give a heads up that this one is at least anticipated.
#fun fact sometimes condensing meds just means poorer treatment of some conditions#this is a re-expansion + new thing#so that instead of poorly treating my mental health and using an unusually high dose SNRI for another (physical) condition#i will hopefully both be in less pain AND not depressed af AND also have an appetite again#i doubt i will be lucky and not have a fucked stomach due to meds but one can hope that an appetite will allow me to eat foods that upset#my stomach a lot less#my health is forever a massive balancing act#every time a medical thing is like 'so what meds do u take' i'm like here i wrote it down for u#and they're like 'oh. ooookay. let me just...' *five minutes of typing and clicking later*#'so! what did you come in for again? uhuh. you said you experience pain daily? with your chronic pain thing? hm. have you tried yoga?'#/gen#like. straight up every time i say 'i am in pain all the time due to fibromyalgia' they are like 'ooh studies say regular exercise helps'#and like. theoretically yes! but also. i would be lying if i said the fibromyalgia studies i've skimmed don't set off general 'bad science'#alarm bells in my brain#like... cool you performed a fibromyalgia study with... all male lab rats? mhmm? so are you aware fibromyalgia appears to occur#overwhelmingly in women? like. data seems to suggest between 70-85%?#(not that the data can't still indicate things but it certainly makes male rats a poor choice of model for tests on it)#also just... idk i've looked at some metaanalysis and been like 'okay cool theory and for all i know about human bio or bio in general that#sounds more or less correct BUT. you never discussed that one study on this subject that did NOT support your conclusion.#and that's 1) interesting when it was the most diverse group of subjects and the exceptions often teach just as much as the 'rule'#2) just shitty science. tell me how your theory is still credible when some evidence doesn't fit the model.#like... 'given that all other studies were primarily conducted on white american women in their 30s to 40s it is possible that this model#only explains (the early effects of fibro since that's a typical onset period) / (a possible genetic link primarily found in white women) /#(a possible sign of bias in diagnosis that demonstrates the possibility that there are different causes) / combinations of all of those#like... idk a paper that just throws out things that don't support it is a pretty big red flag#it doesn't mean the conclusion is entirely incorrect but it is often important to understand the context in which it applies#like... it's very easy to jump to an incorrect conclusion if you used something in the wrong context#ie: thumbs up is a good job / positive thing in a lot of western civilizations. teenage kee once went to china and discovered it to be#neutral to offensive in many areas outside of major tourist locations that were used to it#anyways i gotta sleep
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eye-of-yelough · 7 months ago
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before the day ends: today i chopped firewood and screamed until i pulled muscles in both my legs while my dad and cousin stared at me like i’d lost my mind and it felt fucking fantastic.
happy tdov 👍
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robynqueenofstuff · 10 months ago
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polite reminder that my annual end-of-year good news report is available to download for free.
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daily-dose-of-space · 1 day ago
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DAY 2: Venus
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(This image shows Venus with its cloud layer removed)
info under the cut
Planet: Venus
Star: Sun/Sol/Sól/Helios
Class: Hot Arid Terra
Diameter: 12104.00 km (0.94993 DEarth)
Mass: 0.815 MEarth
ESI (Earth Similarity Index): 0.410
Semimajor Axis: 0.72 AU
Orbital Period: 224.697 Days
Rotation Period: 243.018
Solar Day: 116.749 Days
Age: 4.570*10^9 Years
Gravity: 0.90318 g
Atmosphere Composition: CO2, N2
Atmosphere Pressure: 92 atm
Average Temperature: 463.26 C
Images taken in Space Engine.
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vesiclesalt · 1 year ago
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Daily latin-biology #2
Evolution came from the latin word "evolvere" which means to unroll, usually a scroll.
It was used in science before Darwin, but typically more in the sense of the development of an idea or individual. In the Theory of Evolution, means the development of an entire species.
Funnily enough, the word was only used once (the closing paragraph!) in Darwin's "Origin of Species". He prefered calling it descent with modification.
The term was popularised by biologists such as Herbert Spencer.
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magnificent-winged-beast · 2 years ago
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Daily-sh dose of Misha
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Wrapping up for now.
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sonicscrewdriverstantz · 6 months ago
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Headcanons, Being Ray Stantz's Child
gender neutral!reader, child!reader
Being born during the groups college days, and just adding a dose of daily chaos to their otherwise uneventful studies.
Three men and a baby. Enough said. It's absolute pandemonium.
Ray being the mother hen. Egon being the irresponsible father, and Peter being the fun uncle.
You have an entire family, even if not by blood.
Ray bringing you to college with him, and multitasking because he can't afford childcare.
Him using you as someone to rattle off all his theories about the occult and paranormal to before you can even crawl.
Peter uses you as a 'mini wing-man'. Women flock to him because they think you're his child and find the fact that he's a seemingly decent single dad attractive. (GIRL, IT'S THE BARE MINIMUM) Peter being himself, of course, doesn't bother to correct them.
Constant compliments being directed towards you by women, to which Peter's reply is always the same.
'Mhmmm, yeah, they get their looks from their father' *insert cocky, arrogant smirk*
Ray then reminding him that he's not actually the father.
'Oh, no, I know, I was complimenting you, honey' *cocky, arrogant smirk still in place, this smug guy knows exactly what he's doing*
Ray immediately becoming quiet and turning a bright, red colour, stumbling, tripping, collapsing over the English language, of which he's usually quite eloquent with. Then picking you up in his arms, and walking off muttering variants of profanities and insults directed at Peter
This section was greatly inspired by a ficlet my friend, @xraylovers wrote for me :) Thanks for letting me use your idea bestie.
Egon views you as a science experiment... problems ensue.
Days spent leaning over old occult books, the dusty aroma worn like a birthday badge as a testament to the age of the journal drifting into his child's face as Ray carefully reads each line.
Him having no concern as to whether this is proper bedtime story material for a 5 year old, as long as their happy, which, judging from the small inquisitive smile and plethora of questions asked, they most definitely are.
Ray is so excited to have a mini replica of him, just as interested in the occult as he is, someone to share his special interest with and experience the excitement and wonder of it all for the first time through their eyes.
Peter looking upon Y/N as his niece/nephew and calling them 'Baby Stantz' or 'The Littlest Ghostbuster' or variations upon. All the while, Y/N constantly complaining about wanting to be a Ghostbuster now.
Naturally, Peter buys a mini Ghostbusters suit with 'Baby Stantz' custom inscribed as the name tag, as well as a toy replica proton-pack. Which Egon promptly turns into a miniature, but fully-working proton-pack... until Ray confiscates it, sharing some harsh words with Egon about children's safety.
'Ray, I was merely teaching Y/N the proper way to operate a proton pack to prepare them for when they become a Ghostbuster'
'EGON! You can't give a child an unlicensed nuclear accelerator!'
Winston becoming the only semi-normal parental figure you have: Egon knows nothing about children, your dad is an extreme mother hen, and Peter is... himself.
Your dad would often take you out in the Ecto-1, wheels spinning, sirens blaring (after you begged ro have the sirens on, and every time he agrees because he has no backbone when it comes to you). You roll down the window and hold your hand out, letting the air rush through your fingers in quick succession as you take in the sights of New York City.
Despite his initial protest, when you became a little older and he realised how serious and passionate you were about following in his footsteps, your dad taught you how to use a proton pack and ghost trap (while supervised of course!) in the basement. While others your age were playing sports or video games, you were being taught how to wrangle ghosts and spirits.
Despite the dangers and challenges of being a Ghostbuster, you've always been proud of your dad and your family. They're not just heroes to the world, they're heroes to you, too.
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roxxiies · 4 months ago
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First time ever requesting something haha
I've been in the MLBB fandom for years now but I never knew that there was a fanfic fandom for it??? I've been missing out for so long!
I'm attracted to so many MLBB men but I find myself being so into Yin personality wise, so I'm here to kindly ask for more fics about him.
I'm thinking suggestive but not necessarily smut. Just a dose of reader making him extremely flustered and worked up because she just read something interesting and she wanted to test it out and poor Yin goes along with it until he's hard and aching but he's too shy to ask for help from the oblivious reader who's treating the whole thing as a science experiment lol. At the end, she finally notices his pout and finds him adorable before giving him a hand job or something to help him out?
If you're not into that kind of thing, I would love a cute story from Yin's pov about how he gradually falls for reader and how she heals his trauma through the affection she shows him?
Thanks!!!
𝐘𝐈𝐍 𝐗 𝐑𝐄𝐀𝐃𝐄𝐑
TW: NSF(W), MASTURBATION. MNDI
a.n.: back and alive
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To Yin's surprise, you took his debt joke a little too seriously, as he was now forced to come to your house immediately. The sun was yet to set when he made himself walk up to your house, his movement a bit sluggish from the intense training he just did as he lifted himself inside your window.
His eyes, although seemingly tired, couldn't mistake the mat on the floor as you carefully laid them.
“Hi, what are you—”
“Yin! I'm so glad you came!” You beamed as you noticed him and gently ushered him to lay on the mat. You then continued, your voice betraying your excitement, “I’m trying something out! I'll be proposing yoga exercises to my patients whenever they experience strains in their body. And since you owe me a favour and quite a regular, you'll help me!”
Yin wouldn't deny his frequent visits, he claims that he's helping you practice your healing skills. He would then often try to cause trouble or injure himself during trainings just to have your attention solely back to his.
But this was different, you were the one asking his presence now... and that made his heart flutter in his chest despite how tired he was with his earlier training. Of course, he agreed on the spot.
He carefully sat on the mat and his exhausted mind tries to comprehend your suggestion. He sheepishly chuckles at your last sentence, “But... I barely know yoga.”
“Don't worry, it’s similar to your training but more… relaxing, I guess?” You sort of assured him and lifted a paper with the listed exercises you had readied earlier. “And maybe you'll finally stop having daily trips to my house just because you have strains.”
For the last few hours, it was thanks to Yin's training that most of the exercises were finished and now suggested for your yoga plan. Then there was the ‘upward dog’ where he let out a chuckle at the name.
You scolded him immediately and he quickly frowns as you ordered him to lie on his stomach, his face showed scepticism as you moved to crouch just a few feet away from his head.
“Then, place both of your hands, laid flat on the surface, parallel to your chest below it. Then, lift your head—like, with your shoulders,” You gently guided his chin to raise until you were satisfied with his position as he let out a grunt at the effort. You smiled and moved to his side while crouching and placed a slight pressure on his back. “Does that feel good? Did you feel something on your back?”
Yin’s hands faltered briefly as he felt your gentle touch on his back, his tone barely relaxed, “Back feels nice…”
You stood up and scribbled on your notes with a hum, “Alright, next position: the plank pose. I'm sure you're familiar with this one.”
He nods as he gently shifted his position. His movements were much more shaky beneath your gaze compared to when he does it alone. He lifted his body just a few inches from the floor, and you quickly noticed the slight arch.
You slipped your hand below him and carefully made his stomach area lift up to have his back straight, his breath hitching as he shakily followed your guidance and quietly whimpered.
"Hmm, are you sure you do this daily?” 
“Yeah…” he murmurs in a shaky tone.
You only hummed and just proceeded to do more exercises. However, whenever you guide him to a pose from a pose, he reluctantly denies your help because he knows you'll notice it right away. Because one after the other, his body feels hot and hotter.
“Yin. Yin, are you listening? I said, lift your hips higher—like, push your hips outward.” 
“I… c-can’t.” He grunts. Of course, he can't do it, it'll obviously leave a mark.
You let out a frustrated sigh as you had to press his back more outward for his lower back to stretch. But once he felt your touch again, his eyes widened, and he let out a surprised gasp. He was afraid you'd see it from up close— The thought itself made the strength in his arms waver and made him fall down on the mat.
You gasped as worry took over your expression. You immediately sat beside his scrunched form and gently massaged his hips where most took the damage. He let out a quiet whimper at the touch as he tried to weakly push your shoulders, afraid that you'd see his hard on.
“Yin, I'm trying to help—”
“P-please—I can't take it anymore…”
You frowned. “I mean, we'll take a break. But why so sudden— Oh.”
Yin swallowed as he trailed where your gaze was, and he immediately tried to cover himself, his tone shaky in embarrassment. “S’rry, I'm sorry, I didn't mean to. It's just that you're so close and—” and I need you badly.
It took a lot in you to not back away and disappoint your favourite patient. Even if Yin was a headache to deal with everyday, you can't deny you've taken a liking of him recently. And maybe it's the reason you've specifically called him and not your other friends. But it's like, your day wouldn't be complete without his beaming face looking at your way.
You swallowed and let out a soft sigh, “I see… do you want me to...”
You trailed off and Yin's eyes shot up at you, his expression weary as he shakes his head, “It’s fine... I won't force you to do anything.”
But once he heard your soft giggle and your reassuring words, he let out a sigh and finally let his urges take him over completely. He captured your lips in a passionate manner as you shifted to straddle his legs. Your own lips match his fervour as you briefly gasp to take a breath and back again.
He groans once on your lips as he feels your hands roam around his hips. He fumbled to open his pants and brought down his boxers. He sighs in relief as he finally lets it free.
Your hand gently wraps over his, and he groans from the touch. You admired his length and gave it a few jerks.
He moved his hands to your hips as he pulled you closer and nuzzled his face on your neck, he breathed a low sigh, “You could just give me this— I'll be, Ill be fine.”
You gave it a few more pumps as he felt his body getting warmer. You gently lifted your palm to tease his tip, and he whimpers as you feel him hug you tighter. You smeared the precum you collected from his tip across his cock as you felt its pulses under your touch, he let outs a gasp again.
Your chest was flush against his now, and you whispered, your voice sultry but soft, “Your cute sounds make you irresistible, baby. Try to slack that pretty mouth more f’me, ah?”
Yin's flustered face looks up at you briefly and his lips finds your lips once again, his breath shaky as he intertwines your tongue with his. He groans as he feels you hastening your movement, he hides his face again.
You giggled at the sight of the current state of Yin and couldn't help but remember his usual playful and carefree attitude you fell in love with. You preferred him this way, you thought.
You sped up as your other hand caressed his toned abdomen, your fingers roam around his abs and you gasped as you felt him suddenly jerk his hips to meet your hand. He muttered a quiet sorry as you licked your lips and you stilled his hips and your movement. He groans in frustration, but you only chuckled and couldn't help but tease your pretty boy, “You're close, aren't you?”
He frantically nods as his face is still nuzzled on your neck, and he shakily whimpers, “Y-yes, baby—please, keep moving.”
You huffed, continued to pump his cock again, and hastened your movements. He gasps as he feels that knot inside of him about to snap, and his abdomen tightens as he holds you tighter. His breathing quickened, and with a last jerk of his hips, he shoots pretty white strings, and he groans loudly. It coated up your hand and some on his chest. He tried to calm his breathing but whimpered as he heard your giggle again.
“You sound so angelic when you come, Yin. Makes me want to do it again.” Your soft tone made him huff in embarrassment as you gently pulled him away from your chest to see his flustered expression.
He frowned, his face still heated and he swallowed, “Don’t.. don't just casually say that.” He grunts as he feels you put himself back in his pants and wipe his waste off of him and on your hand with a napkin.
“How can I? It makes me want to keep you all to myself.” You grinned, your tone teasing as you tossed the napkins away in your trashcan. But you won't deny, keeping him to yourself is indeed such a dream.
His heart flutters but still embarrassed by the whole situation. You looked at his expression, and you hummed as if thinking, then you smiled cheekily and said, “How about it, Yin? Will you be my boyfriend?”
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back to all my work . . .
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covid-safer-hotties · 24 days ago
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Also preserved on our archive (Daily updates!)
mRNA vaccines and infection miss the mark with your long-lived plasma cells (Aka the library of the immune system). That means you need to 1. keep up to date on your mRNA shots for best protection 2. switch to a protein-based shot (such as novavax) if you can. The protein delivery method seems to not have this same issue with long immune memory.
By Jon Cohen
Neither vaccinations nor immunity from infections seem to thwart SARS-CoV-2 for long. The frequency of new infections within a few months of a previous bout or a shot is one of COVID-19’s most vexing puzzles. Now, scientists have learned that a little-known type of immune cell in the bone marrow may play a major role in this failure.
The study, which appeared last month in Nature Medicine, found that people who received repeated doses of vaccine, and in some cases also became infected with SARS-CoV-2, largely failed to make special antibody-producing cells called long-lived plasma cells (LLPCs). “That’s really, really interesting,” says Mark Slifka, an immunologist at the Oregon Health & Science University who was not involved with the work. The study authors say their finding may indicate a way to make better COVID-19 vaccines: by altering how they present the spike surface protein of SARS-CoV-2 to a person’s immune cells.
Durability is an age-old bugaboo of vaccine designers. Some vaccines, particularly ones made from weakened versions of viruses, can protect people for decades, even life. Yet others lose effectiveness within months. “We really haven’t overcome this challenge,” says Akiko Iwasaki, a Yale University immunologist who is developing a nasal COVID-19 vaccine she hopes can be given often enough to get around the durability problem.
Just how long a shot can protect against SARS-CoV-2 is hard to assess because variants of the virus, able to evade existing immunity, frequently emerge. And new infections muddle attempts to assess vaccine durability because they provide a “boost” that keeps immunity from waning. Multiple immune actors also provide protection, including antibodies, T cells, and natural killer cells.
To get a clearer picture, the new study examined LLPCs, which are responsible for durable immunity to some other viruses. These cells, the offspring of B cells, primarily reside in the bone marrow. For some viruses, vaccination or infection generate LLPCs that can survive for decades, steadily producing “neutralizing antibodies” that can thwart new infections.
But not so with SARS-CoV-2, the new work indicates. Emory University immunologists Frances Eun-Hyung Lee, Doan Nguyen, and their colleagues enrolled 19 people who agreed to have their marrow aspirated, a procedure that carries little risk but can be painful because it means piercing bone. All had received between two to five doses of messenger RNA (mRNA) COVID-19 vaccines—which code for SARS-CoV-2’s spike—during the preceding 3 years. Five reported having had COVID-19, as well. The study subjects had also been vaccinated recently against influenza and had booster shots for tetanus, a bacterial disease.
Lee and her colleagues found that nearly all participants had LLPCs in their bone marrow that secreted antibodies against tetanus and flu. But only one-third had plasma cells generating the same defense against SARS-CoV-2. Even in those subjects, just 0.1% of the antibodies generated by their LLPCs were specific for SARS-CoV-2, an order of magnitude less than for tetanus and flu. “The paper is very informative,” Iwasaki says.
An earlier study of bone marrow from 20 people who had been infected with SARS-CoV-2 but never vaccinated against it also found that they were “deficient” in LLPCs specific to SARS-CoV-2 compared with those for tetanus. The new results “were really consistent with what we found,” says Mohammad Sajadi of the University of Maryland School of Medicine, whose team reported the data in the 25 July issue of The Journal of Infectious Diseases. “The big question is why?”
SARS-CoV-2’s surface features may offer an answer, Lee and her co-authors say. LLPCs emerge after “naïve” B cells encounter a virus or a piece of it, such as the spike protein. As B cells mature, they make more refined antibodies that better bind to the invader. After the initial infection, memory B cells continue to patrol the blood and a subset differentiates into plasma cells. Some of those cells migrate to the bone marrow, which provides safe haven for their long-term antibody production.
B cells carry Y-shaped receptors that attach to viral surface proteins when they identify a pathogen. If both branches of the Y bind to the same pathogen proteins, they trigger a phenomenon called “cross-linking,” Which spurs B cells to transform into LLPCs. But electron microscopy of SARS-CoV-2 shows its spikes are about 25 nanometers apart, too distant for a single B cell receptor to readily bind to two at once.
Spike doesn’t just appear on the virus itself; it also protrudes from infected cells and cells stimulated by mRNA vaccines. Electron micrographs don’t show the proteins and their spacing, but immunologists suspect the SARS-CoV-2 molecules are widely spaced on these cells, as well. As a result, Lee and her co-authors suggest, B cells don’t become cross-linked, and LLPCs don’t develop.
Other kinds of vaccines might present spike more effectively. Slifka points to an approved vaccine against human papillomavirus, which consists of a “viruslike particle” (VLP) made from surface proteins of that pathogen. Those proteins self-assemble into something that resembles a soccer ball. “That’s a very rigid structure with great spacing and it induces incredibly durable antibody responses,” Slifka says.
Martin Bachmann, an immunologist at the University of Bern, has argued that VLPs for SAR-CoV-2 could space spike molecules more closely—about 5 nanometers apart—than the virus itself. “I am personally convinced that viruslike particles are the best platform,” says Bachmann, who published his proposal in a 2021 npj Vaccines paper.
Given the dominance of current shots, bringing a new one to market won’t be easy. Indeed, Medicago made a spike-based VLP vaccine for COVID-19 that regulators in Canada authorized for use in February 2022, but the company stopped making it a year later because it lacked a market and went out of business.
The Novavax COVID-19 vaccine approved in the United States and some other countries uses insect cells to produce spikes that link together and form “rosettes,” which might offer tighter spacing of the protein and therefore durability benefits, but Bachmann doubts the rosettes work as well as VLPs. “Such poorly organized structures are clearly inferior to highly organized surfaces,” he says.
Lee would like to study the bone marrow of Novavax recipients for the long-lived plasma cells, “but there weren’t a large number, and it’s very hard to get patients to donate marrow,” she says.
Other COVID-19 vaccines in development use nanoparticles that display tightly spaced portions of spike. Neil King, a University of Washington biochemist whose team has developed one such COVID-19 vaccine now in human trials, says they do not have data on LLPCs or durability. “Spacing definitely matters, but it’s very difficult to set up controlled experiments,” King says.
Structural biologist Pamela Bjorkman at the California Institute of Technology, who has a similar nanoparticle COVID-19 vaccine in development, is more skeptical that spacing has a significant impact on vaccine’s durability. Influenza virus has tightly spaced surface proteins, she notes, and infection with it doesn’t lead to durable immunity.
Nguyen, however, thinks his team’s sobering findings require follow-up. “The bad news is the failure of SARS-CoV-2 mRNA vaccines themselves—with or without natural infections—to induce LLPCs in the bone marrow,” he says. “The good news is this failure itself provides a research opportunity to find a way to change the fate of short-lived vaccines.”
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kledface · 2 years ago
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Only the best people look at rocks (and other pretties) and experience the insatiable desire to chomp down on that bad boy
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science-sculpt · 7 months ago
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A snip, a splice : Power of rDNA Technology
Deoxyribonucleic acid (DNA), the blueprint of life, holds the secrets to the intricate workings of every living organism. But what if we could manipulate this blueprint, adding, removing, or tweaking its code? This revolutionary concept forms the core of recombinant DNA (rDNA) technology, a powerful tool that has transformed biology and medicine.
The story starts in the early 1970s with two brilliant scientists; Stanley Cohen at Stanford University and Herbert Boyer at the University of California, San Francisco. Cohen, a microbiologist, had been studying plasmids – small circular DNA molecules found in bacteria. Boyer, a biochemist, was an expert on restriction enzymes – molecular scissors that could cut DNA at specific sequences. Their collaboration proved groundbreaking. They envisioned combining these tools to create the first ever recombinant DNA molecule. Cohen provided the plasmids, which would act as vectors to carry foreign DNA into host cells. Boyer, on the other hand, used restriction enzymes to cut both the plasmid and the desired foreign DNA, allowing them to be pieced together. Through meticulous experimentation, they successfully created the first recombinant DNA molecule, forever altering the course of biology.
Cohen and Boyer's work wouldn't have been possible without the earlier discoveries of restriction enzymes. These "molecular scissors" were independently identified by three separate research groups in the 1960s. Werner Arber in Switzerland, along with Hamilton Smith and Daniel Nathans in the US, unraveled the role of restriction enzymes in bacterial defense mechanisms. These enzymes helped bacteria defend against invading viruses by cutting up their foreign DNA. Recognizing the potential of these "genetic scalpels," the groundwork was laid for their application in rDNA technology.
Here's a simplified breakdown of the rDNA process:
Isolation of DNA: The journey starts with isolating DNA from a donor organism.
Cleavage with Restriction Enzymes: Specific enzymes cut the DNA at defined sequences.
Selection of Vector: A carrier molecule (often a plasmid) is chosen to transport the recombinant DNA.
Ligation: The DNA fragments and vector are stitched together using DNA ligase, an enzyme.
Transformation: The recombinant DNA enters a host cell (usually bacteria or yeast).
Selection and Expression: The transformed cells are selected, and the gene of interest is expressed, leading to the desired protein production.
Since its inception, rDNA technology has played a pivotal role in several groundbreaking advancements. Let's take a whirlwind tour through some of the most significant moments in R-DNA history:
1978: Birth of Insulin on the Factory Floor: Scientists achieved a feat of genetic engineering by using R-DNA to produce human insulin in bacteria. This marked a turning point for diabetics, offering a readily available and more consistent source of this life-saving hormone.
1980s: Gene Wars and the Rise of GMOs: The 1980s saw the development of genetically modified organisms (GMOs). Plants were engineered with genes for insect resistance or herbicide tolerance, sparking debates about the safety and ethics of this technology. R-DNA research continues to be at the forefront of discussions regarding genetically modified foods.
1990s: The Human Genome Project Sets Sail: This ambitious international project aimed to sequence the entire human genome. R-DNA techniques played a crucial role in deciphering the 3 billion letters of our genetic code, opening doors for personalized medicine and a deeper understanding of human health and disease.
2000s: Gene Therapy Takes Center Stage: The first successful gene therapy trials for inherited diseases like severe combined immunodeficiency (SCID) took place. R-DNA technology offered a glimmer of hope for treating genetic disorders by introducing healthy genes to replace defective ones.
2010s and Beyond: CRISPR Takes Over: The emergence of CRISPR-Cas9, a revolutionary gene editing tool based on R-DNA principles, has ushered in a new era of genetic manipulation. With unprecedented precision, scientists can now edit genes in various organisms, holding immense potential for gene therapy, crop improvement, and even the eradication of diseases.
But with great power comes great responsibility, and R-DNA raises a host of ethical concerns.Tinkering with the building blocks of life carries the risk of unintended consequences. Engineered genes could escape and disrupt ecosystems, or modified organisms could have unforeseen health effects. The ability to edit human genes opens the door to designer babies, raising questions about social equity and the potential misuse of the technology for eugenics.
Who Controls the Tools? Access to R-DNA technology could be restricted to wealthy nations or corporations, exacerbating existing inequalities. Biosecurity is also a concern, as the technology could be misused for bioterrorism. Creating entirely new organisms forces us to confront what it means to be "natural." Should we modify plants and animals for human benefit, or preserve their original forms? R-DNA technology is a powerful tool, and we must have open discussions about its ethical implications. Scientists, policymakers, and the public all need to be involved in shaping the future of this technology. As we move forward, open dialogue and collaboration between scientists, policymakers, and the public are crucial to ensure the safe and ethical application of this powerful technology.
The journey of rDNA technology is a testament to human ingenuity and its potential to reshape our world. From decoding the secrets of life to creating solutions for healthcare, agriculture, and beyond, rDNA technology continues to evolve, promising a future filled with exciting possibilities.
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statusexile · 1 year ago
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Got Milk?
Summary: You have some of the wildest sexual fantasies all your life, but only Ghost and Konig could make it all come true.
Pairing: Simon “Ghost” Riley x Reader x Konig
Warnings: afab reader, sub!Ghost and Konig, polyamorous relationship, age play, age gap (reader in their 20s, Ghost and Konig in their early 40s), lactophilia, mutual masturbation, fingering, squirting, exhibitionist, golden shower, reader is highkey a nymphomaniac lmao, overall nasty nasty stuffs.
Word count: 2,010 words
NSFW. MDNI!
a/n: Please don’t take any medication without consulting a doctor first! Also this is my first ever fanfic so any suggestion and feedback is welcome 😊
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You are a depraved person. Or at least, that’s who you think you are.
You are, however, not always like this. Not in the beginning, anyway. When you hit the ripe age of puberty, you started to feel something changes from the inside of your body. You start bleeding every month, there’s hair starting to grow in some parts of your body, the shape of your breasts start changing. It’s fine, you knew all about it, it’s all written in the science book from your school.
There’s something inside you that’s brewing. Something that you couldn’t explain and it’s not on the science book that you’ve been reading. So, you look for answers on the internet. Your parents have been so busy all your life so you basically have access to the internet, unsupervised, during your entire teenage hood. Until one day you accidentally saw someone on social media sharing a picture of their cock. It awakens something in you. That day, you finally find the answer that you’ve been looking for.
You finally find out that there such things as porn site, the place where people took off their clothes and have sex with each other. You also know what sex is, that’s what people do when they want to have children. But you don’t know it was going to be this hot. You could feel something between your legs, some kind of thing that wants to be released. So, you started touching that damp part between your legs, flicking this bud inside them, rubbing them continuously with your own fingers. God, it feels so good, so you keep rubbing them over and over again until something inside you started building and it exploded as you keep going.
You reached your first orgasm, and it was probably one of the best feelings that you ever felt. And now, you want more.
As you grew older, there’s not a single day where you didn’t spend at least half an hour watching porn every day. You need your daily dose of dopamine hit every day. It made you feel good, you loved the feeling every time you reach your climax, it does something to your body that you could never get enough. But as time passed, the type of porn that you usually watch couldn’t please you as much as they used when you first started watching them. It becomes monotone, just another people thrusting each other, making each other moans and grunts, yada-yada-yada, they hit their climax and done. You want more. God, you always want more, nothing is ever enough for you, you’re thinking that you’re practically insatiable at this point.
Until you find that there’s types of porn videos that… intrigues you. At first, you find it by coincidence, after clicking so many next pages when you tried to find something that could make you come like it used to. It was in a very low quality and have very few viewers, the title is also in some foreign language you couldn’t understand, and the actors are also speaking in foreign language, too. But goodness gracious, it was so fucking hot. Something that so sick to you at the time, where you see the girl is being peed on by so many men, basically showering in them. Made you feel so sick, it was so fucking disgusting, but at the same time it turns you on so fucking much. You want to be that girl so fucking much it hurts. After that you find so many videos of sexual fetishes and kinks you didn’t know about. Many people find it as sexual deviant, but not to you. It was practically the most perfect thing that any human being could do.
You came so much your body started trembling after watching that video, it was so good, just like the first time you have an orgasm. But now, you want more. And you want a real thing this time.
You have boyfriends in the past, you never been a hypersexual girl to other people because you always keep your image like a normal girl, you have sex with your boyfriends but none of them seems to please you like you want to. You can’t even come properly because they finished too soon, let alone fulfilling all your crazy sexual dreams. They only prioritize their own pleasure on top of yours. Reminds you of that one song where the singer sings about boys their own age doesn’t know how to treat and touch them right.
It all changes in one single night. That night, you struck an absolute gold.
You went clubbing with your friends. Club has never been your scene, you prefer to stay at home if you could but you don’t want to disappoint them, so you tag along. You could see your friends absolutely having a blast on the dance floor, moving their body to the beat, while you sat at the bar, drinking your cola instead of alcohol since you always find the taste of them disgusting and wondering why people like them so much. But soon you feel two pairs of eyes piercing into you, the gaze of two tall men, standing before you with hulking forms that strained their clothing. Both of them wearing mask, only leaving their eyes exposed. You could feel their stare boring into you. It was the hottest feeling in the entire world.
Soon, the two men approached you, asking to buy you a drink. You said no, but ask them to stick around. After some times talking, you found out that both men are in the military and they’re currently on a break from touring. You could feel the sexual tension in the air when you’re speaking with them, but one thing led another, and the next thing you know you’re sandwiched between them in the back of the club, both of them absolutely ravaging you like starving animals. They asked you to come home with them, and you said yes. The next thing you know you woke up in Ghost’s house, feeling absolutely worn because both men absolutely drained your energy from hours of sex and you came five times last night you seriously think that you’re gonna pass out from dehydration from non-stop squirting they made you do.
You can’t get enough of them, so you asked them to be with you, to make it an exclusive relationship between three of you. They said yes, but you didn’t know that your life will change forever.
At first the three of you are just having regular sex, it was always hot, they got stamina as fucking beast and you’re trying not to pass out every time you had sex with them. It lasted for hours most of the time, and it was everything you could ever dream off in your entire life. After few months, you decide to tell them that you have some ‘ideas’ to spice your relationship. It all started with having sex in a mall parking lot, fitting rooms now you’re fucking them out in the beach on the weekend where it was absolutely crowded with people, and they might catch three of you fucking in public place soon. But fuck it, right? The thrill of getting caught made three of you getting even more turned on.
One fucked up thing led to another, now you’re basically the girl from the porn video that you watched, the one that absolutely get golden showered by a lot of men. One time, you let Ghost and Konig showering you with their urine. You could feel the warm liquid drenching you from your head to toe, as you sit on the floor, feeling like you’re in heaven. Fuck, maybe you’re already dead and this is heaven. At first, you thought that they will be disgusted by you at this point, but you surprised that they actually into them as well. They also told that girls your age made them excited about life again, and they down to do anything that you want.
Bing-fucking-go.
At this point, there’s nothing you haven’t had with them and nothing they haven’t done to you. Everyday is an adventure with them, it’s exciting, and three of you are like animals when it come to sex. So, you’re always trying to find something new to bring to the table. The sky is the limit at this point. Soon you find out that there’s such thing as induced lactation as this usually done by adoptive parents who want to breastfeed their children. But of course, considering how insatiable you are, you also want this too. The thought of breastfeeding your men turns you on so much, so you look on the internet how can you induce lactation on yourself. Soon you find out that there’s medication for that and there are techniques that you can do such as massaging and pumping your own breasts. You do what the internet told you to do, and of course you do every single things that you read. Now you only need to find the right timing to do the act itself.
It was a quiet Sunday morning, as the three of you just wake up from your slumber. Sitting in dining room with the men, drinking their coffee, until Konig suddenly asked what should they have for breakfast, and you suddenly blurted out, “How about me for breakfast?”
The men, of course, pick up the cue right after you told them, both of them dragging you back to bedroom, stripping you naked then pushed you to the bed. You told them to strip their clothes as well and lay next to you.
You could feel Ghost fingers starting to caress your already damp cunt, as Konig fondling your breast and peppering your neck with kisses and nibbling them. You moan from the intense pleasure they’re giving you, but then you want them to start sucking your tits. “Your wish is our command, princess”, they said as the latch their mouth on your tits, sucking them like a starving baby. Ghost still pumping his fingers inside of your cunt as you stroke both of their strobing cocks at the same time.
In no time you started lactating your milk, thanks to your effort prepping them beforehand. The men are surprised in the beginning but tasting your breastmilk in their mouth and it made them so fucking hard. “Suck my tits, let me breastfeed you like a baby”, you said as you still pumping your hands on their cocks. The men sucked on your tits like their lives depend on it. Lapping all your milk that feels like coming out nonstop.
“I love it when you treat us like babies, mommy”, Konig said while he’s flicking your nipples and sucking on them, make sure he doesn’t let out a single drop from his mouth. On the other hand, you could hear Ghost muttering “You’re a fucking disgusting little cunt” under his breath as he keeps doing the same thing as Konig while pumping his fingers inside you mercilessly.
It doesn’t take a very long before you could feel your orgasm approaching, the overstimulation from the men milking your tits dry and Ghost’s thick fingers inside you make it unbearable. You could feel the men’s cocks started twitching in your hands as well.
Three of you came at the same time, you jerk your head back as you could feel the intense feeling of orgasm they gave you, Ghost keeps pumping his fingers inside of you, make sure to let it all out as you squirted so hard, drenching the bedsheet. The men shoot out their thick white liquid in your hands as you keep pumping them, hitting their orgasm as well as they still latching to your tits.
You finally came down from the high, as you kiss both men on the lips, telling how good they are for you today, whispering sweet nothings in their ears, as they cuddle to you, holding you tight.
This is perfect, and it doesn’t get any better than this, you muttered to yourself.
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Reblog and likes is always appreciated. Thank you for reading!
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eloquentcoconut · 19 days ago
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TWST Magicam Usernames
°‧🫧⋆.ೃ࿔*:・︵👻°
This post is just for fun.
I have stylized their handles based on Instagram.
Irl a lot of their handles would just be their name, and their bio and posts would be filled with relevant info, or they simply wouldn't have a magi account lets be ffr.
I wanted to include magicam/texting in my 'TWST Upon A Time' fic (ao3/wattpad/quotev) and I didn't want the usernames to be mundane, I'm sharing the list early.
I'd love to hear your headcannon about what their magicam usernames could be, comment or tag me in your post!
°‧🫧⋆.ೃ࿔*:・︵👻°
🌹 Heartslabyul
🌹 Riddle - @ riddle.rule025
Riddle's bio would be one of the queen's rules, and would change based on what he's feeling that day, like if MC brought Grim to a festivity it would read: "Queen's rule 023."
(Initially Riddle made a magi account to help Cater study, I picked what I thought could be his fav rule: have a tea party on the 5th of every month. It's the funnest rule, probably.)
🌹 Trey - @ experimentswclover
(Trey is too modest to call himself a scientist or a baker, the 'w' stands for 'with'. Trey would post his baking and the science club's experiments.)
🌹 Cater - @ caterd.updates
Cater's bio would read: "Your daily dose of vitamin C."
(I'm surprised the game never states Cater's magi ID, but Idia's gamer handle is fair game. 'Caterd' as in 'catered' and 'Cater Diamond' and since Cater isn't a magicam monster I put 'updates' instead of 'vlogs'.)
🌹 Deuce - @ magicalwheels4lifer
(Deuce really enjoys his magical wheels, '4life' was already taken so he added an 'r' to show he's more passionate about the magical wheel lifestyle. if Deuce wasn't so straight forward, he could have a handle like 'hotwheelsluvr')
🌹 Ace - @ ace.of.the.court
Ace's bio would read: "Ace'd it!"
(Ace enjoys and is good at basketball; he's the teams ace - his name is a pun.)
🐾 Savanaclaw
🐾 Leona - @ ambitiousoutlier1
('Ambitious' is referencing 'Be Prepared' lyrics: 'our teeth and ambitions are bared.' And 'outlier' in short means 'to stand apart from other members of a group' Sounds familiar huh? 🤧 I also added a number to match with Vil and Malleus.)
🐾 Ruggie - @ bucchiiena
(There was no graceful way to incorporate donuts without running into a nut joke. Ruggie's name looks Italian, BUT 'buchi' in Japanese is referencing 'buchi hyena' meaning 'spotted/speckled hyena' Following this, iena in Italian means 'hyena')
🐾 Jack - @ moonlitxtrack00
(Jack is on the track team, his UM in EN server is called 'unleash the beast' but in the JPN server it's called 'howl to break the moonlit night.' )
🌊 Octavinelle
🌊 Azul - @ azzurrpod
(Azul means blue, Azul in Italian can be written 'azzurro' and 'pod' is from 'cephalopod' I don't know what type of octopus Azul is so cephalopod covers that.)
🌊 Jade - @ shiiock.ing
((Although he is a moray eel, Google has just informed me these eels are not electric but will bite)) (Shocking + shiitake. Referencing his UM 'shock the heart' and his fav mushroom, or at least a reference to his mushroom hobby.)
🌊 Floyd - @ whimsqueeze
Floyd's bio would read: "Nice argument. One small problem. I am inside your walls @ username"
(Floyd tags a new person in his bio to tease every once in a while, it's usually Riddle.)
(Floyd changes his mind on a whim, and likes to squeeze people, and altogether it sounds like 'whimsy')
🦜 Scarabia
🦜 Kalim - @ kalimthesun.x
('In the sun' is a phrase used to describe a favorable position. BUT that's not why Kalim picked it, he just likes the sunshine. Trying to highlight how he means well but his ignorance can make it look otherwise.)
(Kalim would unironically post motivational captions with his posts, and all of his parties/festivities.)
🦜 Jamil - @ strategicurry
(Jamil's fav food is curry, but also the phrase 'to curry favor' suits him - it means 'praising someone in order to benefit oneself' i.e. to be insincere. He's also strategic.)
💜 Pomefiore
💜 Vil - @ xfairest1oax
(Matching x's with Rook just bc. Quoting the Evil Queen "who is the fairest one of all.")
💜 Rook - @ xchausseur.d.amourx
(Rook calls himself the 'chasseur d'amour' and the x's are tone indicators that elicit "?" His feed is like his dorm room, I will not eleborate.)
💜 Epel - @ muscles.n.apples
(This speaks for itself, Epel wants muscles to be seen as the manliest man ever and is an apple farm boy. Epel would post about his manly injuries and manly sports like making the magishift team, and his apple dishes/creations.)
🦋 Ignihyde
�� Idia - @ gloomurai
(Idia's gamer/streamer (?) handle in the game is gloomy + samurai. He would use his account to promote his gamming channel.)
🦋 Ortho - @ cheerinja
(The opposite of Idia's handle yet one can see the similarities, siblings fr. Cheery + ninja.)
🍵 Diasominia
🍵 Malleus - @ gaogao2tsunotarou
(Call back to gao gao drgaon, and MC's nickname for Malleus: Tsunotarou. Malleus probably made a secret account with the help of MC and posts about gargoyles and the abandoned places he likes to visit. Malleus would like all of his friends' posts, even if not all of them have figured out it's him.)
🍵 Lilia - @ rougebat
Lilia's bio would read: "My follower count is the number of bats currently in my pocket."
(Rouge the bat lol, but it's been said that Lilia games/is on magicam. Rouge is from his surname Vanrouge and he's got like a vampire/bat aesthetic thing going on.)
🍵 Silver - @ swordsmansilver
Silver's bio would read: "A mirmir? A mirmir."
(His bio is a "Fault in our Stars" reference and 'a mirmir' is a cute baby way of saying 'a dormir' which means 'to sleep' You think sleepyhead is awake long enough to keep up with all the online trends?)
(Silver trains with a sword and is quite proficient, so swordsman.)
🍵 Sebek - @ number1.malleus.draconia.stan
Sebek's bio would read: "If my liege has a million admirers, I am one of them. If my liege has 1000 admires, I'm one of them. If my liege has 1 admirer, it's me. If my liege has 0 admirers, it means I have left this world. If the world is for my liege I am with the world. If the world is against my liege, then I am against the world. "
(This is the best he could do so he wouldn't hit character count.)
(He would post stuff like: "Waka-sama took a sip of tea today. Effervescent.")
☁️ Misc.
☁️ Thorn (TWST OC/MC) - @ alienprotag
(Alien + protagonist. Thorn calls themselves an alien, and protagonist is a nod to their role. They'd make their own memes and take aesthetic photos of nature, seldom themselves.)
☁️ Grim - @ thegreatgrimsorcererextraordniare
(Grim calls himself "The great Grim, sorcerer extraordinaire." Grim shares a phone with MC, not sure how literate/techy he would be. If Grim posted photos of himself, he would have 2 followers: MC and Idia.)
☁️ Che'nya - @ mischat.vous
(Mischievous with the word chat (cat) in the center. He's just a little mischievous cat guy.)
☁️ Neige - @ daydreaminsnow
(I had 'Daydreamin' by AG stuck in my head when I wrote this, Neige is naive, and wistful, I think it suits him. And of course Neige means snow.)
☁️ Skully - @ jackskellingtonsama.fan001
(Return of the fanboy, watch out Sebek! My info on Skully. J. Graves is from snippets I see online, what's the "J" stand for?)
☁️ Rollo - @ devotedsolace
(There isn't religion in the game, but with his vaguely religious wording, and guilt, c'mon now. He's devoted to his beliefs and that bell.)
🔮 This post is subject to change.
°‧🫧⋆.ೃ࿔*:・︵👻°
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andy-wm · 1 year ago
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Park Jimin really stimulates my vagus nerve.
That's not what you think it is.
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Well yes, I'm only human too...
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but that's not what I'm talking about here...
I'm talking about AWE.
Different from joy or admiration, awe is an emotional response to something - or someone - vastly impressive or beautiful or inspiring (or all of the above in the case of Park Jimin).
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Awe is that "oh, wow" feeling.
Sometimes it's inspired by a feat of courage or a grand performance. Other times it's something so beautiful it makes you breathless (or both in the case of Park Jimin).
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The key is that it is triggered by something that is outside of the everyday experience, maybe beyond understanding. It has to be mesmerising, remarkable, wonderful (or all of the above ...yeah you know where I'm going with this).
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So what does this have to do with my vagus nerve?
I'm glad you asked!
The vagus nerve (no, thats not it. It means wandering) is the nerve that links your brain basically to the rest of your body. It reaches from your brain stem all the way through your abdomen.
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The vagus nerve controls your automatic responses. This is the nervous system that's responsible for that swooping feeling in your belly (when you when you look at pictures of Park Jimin) as well as the racing of your heart (when you watch Park Jimin dance).
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Your vagus nerve is active in both directions. Your brain will send messages to your body via the vagus nerve (fight or flight as an example) but you can also use it to reduce stress and anxiety. You can engave your vagus nerve to down-regulate your stress response.
How can you do that? One way is by experiencing awe.
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I'm not making this up.
Scientific studies have proven this. Besides the rush of endorphins when you have that "oh wow' response, awe reduces the focus on yourself and shifts your perspective. That's good for your physical and emotional health for a bunch of reasons.**
So, looking at pictures of Park Jimin and watching him dance can improve your health?
Yes, that's right!
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Ask your GP to prescribe a daily dose of Park Jimin for continued good health. Or take matters into your own hands and make him part of your daily self-care routine.
You can thank me later.
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** https://www.psychologytoday.com/au/blog/the-athletes-way/201705/awe-engages-your-vagus-nerve-and-can-combat-narcissism
https://www.wbur.org/onpoint/2023/08/23/awe-sciences-answer-to-your-search-for-happiness
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9301262/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10018061/#:~:text=Awe%2C%20then%2C%20is%20associated%20with,benefit%20mental%20and%20physical%20health
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daily-dose-of-space · 2 days ago
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DAY 1: Mercury
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info under the cut!
Planet: Mercury
Star: Sun/Sol/Sól/Helios
Class: Warm Airless Subferria
Diameter: 4880.00 km (0.38299 DEarth)
Mass: 0.05528 MEarth
ESI (Earth Similarity Index): 0.538
Semimajor Axis: 0.39 AU
Orbital Period: 87.950 Days
Rotation Period: 58.646 Days
Solar Day: 175.939 Days
Age: 4.570*10^9 Years
Gravity: 0.37688g
Average Temperature: 155.27 C
Images taken in Space Engine.
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