Science News

Hormones shape our bodies, make us fertile, excite our most basic urges, and as scientists have known for years, they govern the behaviors that separate men from women. But how?

(PhysOrg.com) -- Researchers from The Australian National University have discovered that the male-specific Y-chromosome is shrinking – and it’s happening at different rates across species.

A new study has looked into how our psychology concerning war and conflict may have been shaped by our evolutionary past.