#world news science

[abdquffa9]

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This is my little niece 🫂

An indescribable scene, this little girl is trying to get food to feed her younger siblings,❗️❗️ and she is sad because she did not provide them with the appropriate amount, is it the fault of these children that this happens to them? And can the world watch these scenes and remain silent?

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[kookiekult]

[mindblowingscience]

A small, seemingly unremarkable fern that only grows on a remote Pacific island was on Friday crowned the Guinness World Record holder for having the largest genome of any organism on Earth. The New Caledonian fern, Tmesipteris oblanceolata, has more than 50 times more DNA packed into the nucleus of its cells than humans do. If the DNA from one of the fern's cells -- which are just a fraction of a millimeter wide -- were unraveled, it would stretch out to 106 meters (350 feet), scientists said in a new study. Stood upright, the DNA would be taller than the tower that holds London's famous Big Ben bell. The fern's genome weighed in at a whopping 160 gigabase pairs (Gbp), the measurement for DNA length. That is seven percent larger than the previous record holder, the Japanese flowering plant Paris japonica.

Continue Reading.

[tilbageidanmark]

2 unusual editions of Bradbury’s ‘Fahrenheit 451’.

[reasonsforhope]

"The world's coral reefs are close to 25 percent larger than we thought. By using satellite images, machine learning and on-ground knowledge from a global network of people living and working on coral reefs, we found an extra 64,000 square kilometers (24,700 square miles) of coral reefs – an area the size of Ireland.

That brings the total size of the planet's shallow reefs (meaning 0-20 meters deep) to 348,000 square kilometers – the size of Germany. This figure represents whole coral reef ecosystems, ranging from sandy-bottomed lagoons with a little coral, to coral rubble flats, to living walls of coral.

Within this 348,000 km² of coral is 80,000 km² where there's a hard bottom – rocks rather than sand. These areas are likely to be home to significant amounts of coral – the places snorkelers and scuba divers most like to visit.

You might wonder why we're finding this out now. Didn't we already know where the world's reefs are?

Previously, we've had to pull data from many different sources, which made it harder to pin down the extent of coral reefs with certainty. But now we have high resolution satellite data covering the entire world – and are able to see reefs as deep as 30 meters down.

Pictured: Geomorphic mapping (left) compared to new reef extent (red shading, right image) in the northern Great Barrier Reef.

[AKA: All the stuff in red on that map is coral reef we did not realize existed!! Coral reefs cover so much more territory than we thought! And that's just one example. (From northern Queensland)]

We coupled this with direct observations and records of coral reefs from over 400 individuals and organizations in countries with coral reefs from all regions, such as the Maldives, Cuba, and Australia.

To produce the maps, we used machine learning techniques to chew through 100 trillion pixels from the Sentinel-2 and Planet Dove CubeSat satellites to make accurate predictions about where coral is – and is not. The team worked with almost 500 researchers and collaborators to make the maps.

The result: the world's first comprehensive map of coral reefs extent, and their composition, produced through the Allen Coral Atlas. [You can see the interactive maps yourself at the link!]

The maps are already proving their worth. Reef management agencies around the world are using them to plan and assess conservation work and threats to reefs."

-via ScienceDirect, February 15, 2024

[palatinewolfsblog]

"If you can't question it it's not science. It's propaganda." U.N. Owen.

[lichenaday]

The moment I know you have all been eagerly anticipating with baited breath, your BLAM (Bryological-Lichenological Working Group for Central Europe e. V.) lichen of the year for 2025 is . . .

Hymenelia lacustris (syn. Ionaspis lacustris)

AKA rusty brook lichen, rusty watercolor lichen

*yayyyy, hooray, wooooo*

This crustose lichen was chosen to represent us in 2025 because of its association with water bodies and wetlands--essential and oft fucked-with habitats that deserve more of our respect! You may not think of lichens as wetland specialists, but H. lacustris is one of many, many species reliant on not only more permenant water bodies, but ephemeral seepages and water tracks easily disturbed by human activity. It goes without saying that when most folks think of habitat conservation, they think of large, charismatic species and easily seen ecosystem functions, but there is so so much that goes on in this world on a small, inconspicuous scale. And this means that many decisions about these habitats overlook the needs of these little guys. And isn't that just the pits? Maybe I relate too much to the organisms that don't seem to fit in and so get overlooked in favor of the more charismatic or "typical" species. I am also tired of ignoring the needs of the little guy in favor of the "bottom line," no matter which system we are talking about. So let this be the year of the little, of the obscure, of the overlooked and odd-one-out. Let this be the year where we demand that the voices of the small and the voiceless be heard. The year of H. lacustris! Huzzah!

images: source | source | source | source

info: source | source | source

[cloudemojisworld]

[thejakeformerlyknownasprince]

Errors, “Errors,” and Sci Fi

@strawberry-crocodile

tvtropes calls stuff like the wolf example "science matches on" which I think is a pretty fair shake

This.  This is what’s got me thinking so much about errors.  There’s a certain danger, here.  A certain way that this particular effect — delicious dramatic irony — tempts the mind when reading old stories, even true ones.

What do you know about R.M.S. Titanic? I ask my class every year, and the first hand rises.  “It was unsinkable,” the student inevitably says, and everyone is nodding, “or so they thought.”  I write the word UNSINKABLE on the board, underneath my crude drawing of a ship with four smokestacks.  It will be crossed out before the end of the hour, but not for the reason they expect.

“I find no evidence,” Walter Lord, preeminent biographer of the ship’s survivors, wrote, “that Titanic was ever advertised as unsinkable. This detail seems to have entered the collective mind so as to create a more perfect irony.”  Indeed, historians’ examinations of White Star Line documents show the shipbuilders themselves worried it would be so large as to risk collision; they stocked several more lifeboats than 1910s regulations required.

The War to End All Wars (deep breath, satisfied exhale), also known as World War ONE. Chuckle.  Shake of the head.  What if I told you that this phrase, used primarily in American newspapers after the fact, wasn’t meant to be literal? Nowadays we’d say The Mother of All Wars, or One Hell of a Fucking War, but we wouldn’t mean literal motherhood, literal intercourse.  What if I said the armistice and the Lost Generation and the Roaring 20s were all braced for another outbreak of European conflict, and yet we still failed to prevent it?

Did you know they were so confident in the safety of the S.S. Challenger that they put a civilian schoolteacher onboard? I do, because I’ve heard that one repeated many times.  Only, see, it’s got the cause and effect reversed.  Challenger launched on a day the shuttle’s engineers knew to be dangerously cold, because the first civilian in space was on board. And NASA knew its shuttle project would be cancelled entirely, if they couldn’t get that civilian’s much-delayed entry into space in the next two weeks.  So they launched on a cold day, and killed her instead.

These are all what cognitive science calls Hindsight Bias on the personal level, what sociology calls Presentism on the cultural level.  Social psychology’s a little of both, is primarily interested in why you’re sitting on your couch in a Colonize Mars shirt watching PBS and chuckling at the fools who believed in El Dorado.  It wants to know why the mind flees straight from “marijuana will kill you” to “marijuana will cure cancer” without so much as a pause on the middle ground of its real benefits and drawbacks, its real (mild) risks and rewards.

And they can paralyze the sci-fi writer, if you think too much about them. Jetsons is futurist one decade, retro the next.  “There are no bathrooms on the Enterprise,” the creators of Serenity say smugly, as if Gene Roddenberry should’ve simply known that decades later it’d be acceptable to show a man peeing in full view of the camera, nothing but the curve of the actor’s hand to protect his modesty.  “No sound in space,” the Fandom Menace says, “No explosions in space,” and “A space station can’t collapse in zero-G.”  Only then NASA burns a paper napkin outside of atmosphere, transmits music using only the ghost of nearby planets’ gravities, and logs onto Reddit long enough to point out the Death Star would implode in its own gravity field.  And now we’re the ones pointing, the ones laughing, at those earlier point-and-laughers.  Self-satisfied, smug in superiority.  As if we did the work to find out ourselves, instead of just happening to be born a little later than George Lucas.

[libraford]

Not clear equivalents, but-

Ceremonial magic is neoclassicism.

Wiccan magic is impressionism.

Chaos magic is modern art.

Folk magic is outsider art.

[stra-tek]

[dandelionsresilience]

Dandelion News - December 22-28

Like these weekly compilations? Tip me at $kaybarr1735 or check out my Dandelion Doodles for 50% off this month only! Starting in January, I’ll also be posting 5 extra news links to Patreon each week (for free since they aren’t my work)

1. These countries all scored major wins for LGBTQ+ rights in 2024

“Consensual same-sex activity became legal in Namibia [and Dominica…, c]onversion therapy was banned [in Mexico…, Greenland] made LGBTQ+ discrimination illegal […, and] same-sex adoption and same-sex marriage became legal [in Greece.]”

2. After trial and error, Mexican fishers find key to reforesting a mangrove haven

“So far, the project has planted more than 1.8 million mangroves that have a 92-94% survival rate, Borbón estimated. [… M]angroves can prevent coastal erosion, store carbon and provide a nursery for all kinds of fish and crustacean species.”

3. ‘Britain’s wildlife safari’: baby boom in Norfolk as seal colonies flourish

“More than 1,200 seal pups were born […] in November, and 2,500 more are expected to be born before the breeding season ends in January. […] “Mortality seems to be much lower than in other colonies[….]””

4. Barcelona's metro trains are helping to charge the city's EVs each time they brake.

“[…T]he energy from the underground trains' brakes is used to power the trains and the stations themselves, while the remainder is sent snaking through cables to the surface to power plug-in stations for privately owned vehicles.”

5. Scientists thought this whale could only live for 70 years – turns out it's double that.

“The data [from repeated “photo identification of individual”s] revealed that Southern right whales can live for more than 130 years, with some speculated to reach the grand old age of 150.”

6. Rural Power Co-Ops Gain $4.37B in Latest US Clean Energy Funding

“[… A power co-op in Florida] will use its funding of more than $1.3 billion to develop 700 MW of utility-scale solar and battery energy storage projects in rural areas, reducing greenhouse gas emissions by more than 3.5 million tons annually[….]”

7. Fish-friendly dentistry: New method makes oral research non-lethal

“[… T]he researchers successfully performed the procedure on 60 fish with no fatalities. […] "This new approach researchers to track tooth replacement and development [in living] rare species or museum specimens that can't be damaged."”

8. These Brooklyn Homeowners Couldn’t Afford to Go Green. Then Help Arrived

“The program aims to repair and retrofit 70 two- and three-family homes […] in the span of two years. […] EnergyFit staff work as case managers to help homeowners navigate the complicated technical and bureaucratic processes, coordinate with tenants and set them up for further upgrades down the road.”

9. 2024 was a fantastic year for energy storage

“[… California] became the first state to pass 10 gigawatts, back in April. [… In Texas and California,] when extreme weather events hit, batteries were able to shore up the grid and lower energy costs for customers.”

10. Amid concern over microplastics, a Maine company creates a kelp-based laundry pod alternative

“"The slurry we're creating is similar to that of paper milling, and […] with Maine there's a lot of old infrastructure from the paper industry [… which] can be applied to our process here[….]” If all goes to plan, Dirigo Sea Farms' first batch of 10,000 kelp-based laundry pods will be ready for online sales by next spring.”

December 15-21 news here | (all credit for images and written material can be found at the source linked; I don’t claim credit for anything but curating.)

[everydayyoulovemeless]

RIP to Richie "ball-lover" Marcus. Your grades killed me

[olivrsm]

[lesbianspeedy]

BECOMING SCIENTIFICALLY UNETHICAL FOR GAY LOVE?? KIRA MANNING I KNOW WHICH AUNT IS YOUR FAVOURITE AND THAT BITCH IS FRENCH!!!

[sciencewife]

Happy Resonance Cascade Day, Cave Johnson is laughing at Black Mesa from beyond the grave