Research suggests that crying is not a sign of weakness, but one of the most sophisticated social technologies in the natural ...

As early humans spread from lush African forests into grasslands, their need for ready sources of energy led them to develop a taste for grassy plants, especially grains and the starchy plant tissue ...

Mild aggression and lethal violence evolved separately, according to research across 100 primate species. The study challenges the idea that everyday conflict leads to deadly outcomes.

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 ...

Human behavior is a tapestry woven from culture, environment, and biology. Among the most intriguing aspects of this tapestry is risk-taking—those bold, sometimes reckless decisions that can lead to ...

A new paper in Molecular Biology and Evolution, published by Oxford University Press, reports that Italian bears living in areas with many villages evolved and became smaller and less aggressive.

Introduction : Why teeth? -- I. Development. Microscopes, cells, and biological rhythms -- The big picture : birth, death, and everything in between -- Things that can go wrong : stress, pathology, ...

A timeless question has always fascinated scientists who study the past. Which comes first, the new behavior or the physical tool that perfects it? Do you change how you live and then evolve the body ...