Recent studies in mice suggest that how the egg cells hold onto and get rid of their proteins may be key to this survival. Although most proteins are renewed every few days, two studies show that some ...

Neither of the two competing, long-debated explanations about birth rate declines may be entirely accurate. There could be big implications for policy and programs related to family planning for many ...

In research using laptop screens, cats quickly learned to associate sounds and animations. Image credit: Sheila Fitzgerald/Shutterstock.

The world is in a battle for truth. A cadre of researchers is eagerly seeking ways to stymie the spread of mis- and disinformation. The stakes are high. Social media have become an accelerant for the ...

Hu et al. (1) report the construction of a chimeric coronavirus (rOC43-CoV2-S) in which the spike (S) protein of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) replaces that of the ...

Illustrated reconstruction of Dromaeosauriformipes rarus running along the muddy shore of an ancient lake. Image credit: PNAS/Alex Boersma (artist). Illustration of ciliates grazing on ...

Edited by Mark Thiemens, University of California San Diego, La Jolla, CA; received June 19, 2024; accepted September 5, 2024 ...

Invasive plants can have strong, cascading effects on recipient ecosystems. Using a functional trait framework has been useful in understanding the mechanisms underlying these invasion impacts.

Edited by Eva Andrei, Rutgers The State University of New Jersey, Piscataway, NJ; received March 14, 2024; accepted August 13, 2024 Part of the challenge in pinpointing the dominant origin of RTN is ...

Rosenblum et al.'s belief that we misrepresent the technique’s probative value stems from their viewing trier-of-fact posttest beliefs as the measure of probative value (or, in their words, “strength ...