When we were prey
Bite marks on a 2-million-year-old human jaw suggest leopards once hunted people as prey. People likely survived by learning to team up.
Bite marks on a 2-million-year-old human jaw suggest leopards once hunted people as prey. People likely survived by learning to team up.
Most of the universe consists of ordinary matter. But not all. A tiny fraction is matter’s mysterious twin: antimatter.
Earth has experienced several ice ages. These can emerge almost overnight in films. Although dramatic, that timeline is truly Hollywood fiction.
People exposed to low infrasound frequencies had higher levels of a stress hormone in spit and were more likely to rate music as sad.
The shape-shifting transformation of Euplotes gigatrox may reveal how early life learned to act in complex ways.