Well, today is Valentine's Day, which means love and connection are on people's minds, and I recently met someone who studies one form of affection, kissing. Matilda Brindle is an evolutionary ...

Emotional tears are a uniquely human behavior. Research suggests they evolved not for eye health but as a powerful social signal that strengthens bonds and elicits care.

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Humans don’t have a defined mating season like deer or wolves. Here’s how evolution rewired ...

Why do humans have chins? Scientists have long puzzled over this question, since no other living primate species boasts this bony facial protrusion and chins serve no apparent purpose. Even our ...

Mark Grabowski does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Some people are naturally better at recalling their dreams. Others worry they’re not getting quality sleep if they can’t ...