200,000 years ago, humans preferred to sleep in beds

Researchers in South Africa's Border Cave, a well-known archeological site perched on a cliff between eSwatini (Swaziland) and KwaZulu-Natal in South Africa, have found evidence that people have been using grass bedding to ...

Prehistoric humans rarely mated with their cousins

Today, more than 10 percent of all global marriages occur among first or second cousins. While cousin-marriages are common practice in some societies, unions between close relatives are discouraged in others. In a new study, ...

Birds share food with less fortunate conspecifics

People aren't the only ones who show sympathy. Birds also seem to care about the fate of conspecifics. They notice how much food the others already have and then share theirs with individuals that were not given any. "They ...

page 1 from 11