Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining strong teeth and defending against oral disease. However, the evolution of ...

Human-AI interactions can resemble human-human social interactions, with computers, and especially AI-driven technologies, becoming increasingly important social actors. It is in these interactions ...

For years, the common belief among scientists was that human evolution had basically slowed to a crawl once we invented medicine, built cities and started farming our own food. If we could grow enough ...

A new landmark study has uncovered evidence that challenges the long-held beliefs about human evolution.

A study of 225 newborns suggests prenatal estrogen may have played a role in the evolution of larger human brains. Boys with ...

Add Yahoo as a preferred source to see more of our stories on Google. A reconstruction of the crushed skull labelled Yunxian 2, which has features that are closer to species thought to have existed ...

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from new developments in ape cognition to an expanded perspective of a ...

In 1758, Swedish biologist Carl Linnaeus gave humans a scientific name: Homo sapiens, which means "wise human" in Latin. Although Linnaeus grouped humans with other apes, it was English biologist ...

What will humans be like generations from now in a world transformed by artificial intelligence (AI)? Plenty of thinkers have applied themselves to questions like this, considering how AI will alter ...

Scientists say some of the traits that define modern humans may have evolved only after long-standing biological and cultural ...

Only about 1 in 5 people have a chin dimple. An evolutionary biologist unpacks the genetics — and the deeper mystery of why ...

Some 4,000 years ago, as ancient civilizations such as the Minoans in Crete and the Neo-Sumerian Empire in Mesopotamia were shaping cultures in Europe and the Middle East, human biology itself was ...