PNAS的动态

In this issue: Birth and maternal mortality in Japanese macaques; Sponge recycling of gold from electronic waste; Cerebrospinal fluid drainage through the human brain. https://ow.ly/467550TN4kb

Asymmetric climate warming, in which winters warm more than summers, reduces soil microbial growth more than uniform warming, according to an experimental study in an alpine grassland in China, with implications for soil carbon storage. In PNAS: https://ow.ly/uf3X50TN4nS

Opinion: LLMs based on historical text could elucidate the mindsets and motivations of ancient peoples Historical LLMs trained on data from past societies offer an opportunity to gather historical psychological data by simulating the responses of populations that are no longer living—ensuring a diversity of viewpoints across both space and time. https://ow.ly/jv1w50TN4gr

Journal Club: How does a fish evolve legs? Researchers uncover how old genes learned new tricks in the peculiar sea robin A recent study shows that this key innovation evolved in sea robins by co-opting the gene tbx3a. https://ow.ly/1Tnx50TN49L

?? Trending Article in PNAS One of the most-viewed PNAS articles in the last week is “A framework for quantifying individual and collective common sense.” Explore the article here: https://ow.ly/VCUP50TK28s. For more trending articles, visit https://ow.ly/fUrA50TK28r.

Blood plasma from patients who had recovered from COVID-19, known as COVID-19 convalescent plasma, saved between 16,500 and 66,300 lives, according to a study. Optimal plasma deployment could have prevented up to an additional 235,000 deaths. In PNAS: https://ow.ly/IQ2850TK1VA

A recent study uses genomic sequencing to assess the genetic diversity of privately owned captive tigers in the US. The findings indicate that this tiger population contains ancestry from all six extant wild tiger subspecies. In The New York Times: https://ow.ly/aw9j50TIase In PNAS: https://ow.ly/JaMq50TIas9

A model of a soft robotic appendage modeled on octopuses’ arms is informed by medical imaging, biomechanical data, live behavioral experiments, and numerical simulations. In PNAS: https://ow.ly/Uwtf50TK1Ra

Abundant heavy carbon and oxygen isotopes in carbonates sampled by NASA - National Aeronautics and Space Administration's Curiosity Mars Rover at four sites in Gale Crater on Mars suggest the presence of water evaporation in combination with rapid precipitation in brines at freezing temperatures. In PNAS: https://ow.ly/sUKz50TK1vw