News

Paleontology

An ancient reptile’s fossilized skin reveals how it swam like a seal

A reptile fossil is the first of its kind with skin and partially webbed feet, possibly showing how later species like plesiosaurs adapted to water.

Humans

Staying on the keto diet long term could carry health risks

Months on a high-fat keto diet put mice at risk for cardiovascular disease and impaired insulin secretion.

Particle Physics

A primordial black hole may have spewed the highest energy neutrino ever found

The Big Bang may have spawned these theoretical black holes, whose lives are thought to end in a burst of extremely energetic particles.