#PNAS

[skyberrie]

part ii/?

[coffee-and-uhg]

This is all the “fault” of @goodwithcheese and her hair poll (x)

Frankie 🚁

lemme spin on your propeller

[jackoshadows]

Thousands of Greenland's crystal-clear blue lakes have turned a murky brown thanks to global warming — and the worst part is that they've started emitting carbon dioxide. Record heat and rain in 2022 pushed the lakes of West Greenland past a tipping point, so rather than absorbing carbon dioxide (CO₂), they began to emit it into the atmosphere, according to a new study. The changes began in fall, which is normally a snowy time for Greenland. However, heat waves turned snow into rain and thawed the island's permafrost — frozen ground that stores carbon, iron and other elements. The rains then washed these elements into lakes, turning them brown. Less sunlight was able to penetrate the lakes as they darkened, which had a ripple effect on the microscopic plankton living in the water. The number of plankton absorbing CO₂ through photosynthesis — the process of turning sunlight into energy — declined, while the amount of plankton breaking down and releasing carbon increased, according to a statement released by the University of Maine. The lakes normally absorb CO₂ in the summer, but by the following year they had flipped to become carbon dioxide producers. These types of widespread changes would normally take centuries. Researchers have observed the browning of lakes across the Northern Hemisphere, including the U.S., but it typically takes multiple decades — much longer than the transformation of Greenland's lakes. "The magnitude of this and the rate of change were unprecedented," study lead author Jasmine Saros, a professor of paleolimnology and lake ecology at the University of Maine, said in the statement. The researchers published their findings Tuesday (Jan. 21) in the journal PNAS. In the fall of 2022, an atmospheric circulation pattern —the large scale movement of air — and a hurricane connected a series of atmospheric rivers from the subtropical and mid-latitude Atlantic to Greenland, according to the Copernicus Climate Change Service, which is part of the European Union's Earth Observation Programme. Atmospheric rivers are long, narrow regions of the atmosphere that transport heat and water vapor. Climate models predict that atmospheric river activity is likely to generally become more frequent, intense, and longer-lasting around the world with global warming. In 2022, the rivers brought Greenland record heat that was more than 14 degrees Fahrenheit (8 degrees Celsius) warmer than the monthly average in some areas. Researchers estimated that 7,500 lakes turned brown and began emitting carbon after the fall. But the emissions weren't the only concern for scientists: these lakes also provide residents of Greenland with drinking water, which could be compromised by the change

[kitty-filez574]

Sub-afton wth

If purple guy kills with his springbonnie suit on, would subspace kill with his cutiespace costume on?

Yeah so my friend camw up with the idea of this and i made a little design on the biograft version for it

I might remake this from all i know, if i can. These doodles are old btw (like from a week ago?)

[ravings-of-a-mad-scientist]

PNAS is my favorite journal acronym. “pee-nas”

[akwyz]

Do you hear what I see? How blindness changes how you process the sound of movement

👁️‍🗨️ Fascinating study reveals how blind people excel in auditory motion detection, offering insights into the brain's adaptability. Learn about this groundbreaking research in sensory perception. #AuditoryMotion #BrainScience #SensoryPerception

Ione Fine, University of Washington and Woon Ju Park, University of Washington Almost nothing in the world is still. Toddlers dash across the living room. Cars zip across the street. Motion is one of the most important features in the environment; the ability to predict the movement of objects in the world is often directly related to survival – whether it’s a gazelle detecting the slow creep of…

[ruthfeiertag]

https://www.washingtonpost.com/health/2023/09/17/fatigue-cfs-longcovid-mitochondria/

Here’s an article about Amanda Twinam’s search for answers to her problems with fatigue, a search that someday may lead to a fuller understanding of ME/CFS, similar diseases, and to treatments. For many of us, these ameliorations or cures will come too late for us to recover our health or for us to recover any semblance of the lives we should have had, but perhaps it will give all the young(er) people with ME, Long-Covid, etc., hope.

[revista-amazonia]

Descoberto no salmão: um ser vivo que não respira oxigênio nem possui mitocôndrias

Uma descoberta digna de ficção científica está intrigando a comunidade científica e remodelando a forma como se compreende a vida animal. Pesquisadores israelenses identificaram um organismo microscópico parasita encontrado em salmões que sobrevive sem precisar de oxigênio. Ainda mais impressionante: o ser vivo não possui mitocôndrias, estruturas até então consideradas essenciais para a vida em…

[kyocipherfox]

「血から脳が生まれる！？」 iPS細胞すら使わない最新の神経細胞作製技術、マジで未来すぎて震えた…。 これ、妄想じゃなくて実話。 もし自分の血で脳パーツ作れるとしたら…どうする？（＾＾；） ↓↓ 科学ニュースを勝手に妄想しながら考察したキョウのブログはこちら ↓↓ https://yp-kyo.com #yp_kyo #再生医療 #iPS細胞 #神経疾患 #未来の医療 #慶應大学 #個別化医療 #小市民の妄想考察 #PNAS

[reflectionsofeden]

“Bonobos and chimpanzees remember familiar conspecifics for decades” by Laura S. Lewis, Erin G. Wessling, Fumihiro Kano, Jeroen M. G. Stevens, Josep Call, and Christopher Krupenye is licensed under CC BY 4.0.

[cubojorbr]

Laços sociais são fundamentais para macacos-prego aprenderem novas habilidades, aponta estudo

Estudo publicado na PNAS por pesquisadores do Brasil e do Reino Unido mostra que primatas da Serra da Capivara conseguem adquirir novos conhecimentos desde que sua presença seja tolerada por outros membros do grupo

André Julião | Agência FAPESP – Um estudo com macacos-prego (Sapajus libidinosus) no Parque Nacional da Serra da Capivara, no Piauí, publicado na revista PNAS, aponta que a tolerância é extremamente importante para o aprendizado social, aquele adquirido observando outros membros do mesmo grupo. Os pesquisadores da Universidade de São Paulo (USP), apoiados pela FAPESP, e da Universidade de…

[jeewrites]

faints immediately

javier peña in every episode of narcos

neck

happy friday 💛

[13thpythagoras]

"Submit to PNAS and have your research discovered..."

[raphavisses]

Kavli prize winner threatens to sue me for defamation

Regular readers of this blog might remember that in November 2015, I published a post entitled PNAS: “your letter does not contribute significantly to the discussion of this paper”. That short post related how the then Editor-in-Chief of PNAS, Inder Verma, had dismissed our critique (available thanks to BiorXiv) of a PNAS paper. The justification of the EiC was patently absurd: it could have been…

[charyou-tree]

Hey, did you publish that scientific paper?

Yeah! I got it into a really good journal!

Oh really, which one?

TODAY ON TERRIBLE TEXTBOOK FINDS

[sighinastorm]

Official COVID-19 mortality statistics have not fully captured deaths attributable to SARS-CoV-2 infection in the United States. While some excess deaths were likely related to pandemic health care interruptions and socioeconomic disruptions, temporal correlations between reported COVID-19 deaths and excess deaths reported to non-COVID-19 natural causes suggest that many of those excess deaths were unrecognized COVID-19 deaths.

[...]

Over 30 mo from March 2020 to August 2022, 1,194,610 excess natural-cause deaths occurred in the United States (90% Posterior Interval (PI): 1,046,000 to 1,340,204). A total of 1,031,724 (86.4%) were reported to COVID-19, and 162,886 (13.6%) (90% PI: 14,276 [1.2%] to 308,480 [25.8%]) were reported to non-COVID-19 natural causes. Of the reported COVID-19 deaths, 909,380 (88.1%) listed COVID-19 as the underlying cause of death (the disease or injury that initiated the chain of events leading to death), and 122,344 (11.9%) included COVID-19 elsewhere on the death certificate.