News

Archaeology

A toe bone hints that Neandertals used eagle talons as jewelry

An ancient eagle toe bone elevates the case for the use of symbolic bird-of-prey pendants among Neandertals, researchers say.

Chemistry

Molecular jiggling may explain why some solids shrink when heated

Scientists may have figured out how scandium fluoride crystals shrink as temperature rises, possibly leading to new insights into superconductors.

Health & Medicine

New details on immune system ‘amnesia’ show how measles causes long-term damage

Measles wipes the memories of immune cells in the body.

Neuroscience

Sleep may trigger rhythmic power washing in the brain

Strong, rhythmic waves of cerebrospinal fluid wash into the human brain during sleep and may help clean out harmful proteins.