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 ...

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

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

During sleep, brain is bustling with activity: Different brain structures such as the hippocampus and the cortex interact, and this interplay is thought to be important to stabilize and reprocess ...

Air pollution is a leading cause of mortality, but controls on vehicle emissions have achieved reductions in deaths related to fine particulate matter pollution. Electrification of vehicles and ...

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 ...

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 ...

The authors first showed that patients with idiopathic PF or bleomycin-treated wild-type mice express more citrullinated histone H3 (citH3) than controls. This observation aligns with studies citing ...

Most humanists and scientists now agree that science is special in its relationship to the real world, more special than are other human activities—religion and politics, for instance. But ...

Edited by Joseph Kieber, The University of North Carolina at Chapel Hill, Chapel Hill, NC; received July 29, 2024; accepted September 9, 2024 ...

Japanese macaque (Macaca fuscata) nursing a newborn. Image credit: Angela Stojan (University of Vienna, Vienna, Austria). Birth and maternal mortality in Japanese macaques The heads of fetuses in some ...