For nearly 30 years, a landmark study shaped how scientists understood the relationship between brain and body size in ...

Biologists group animals with similar traits into broad categories called orders. Despite their similarities, animal species ...

Sleep is often treated as a casualty of modern life. Artificial lighting, shift work, endless notifications and late-night ...

Summary: A new study has completely revived and expanded this lost chapter of human evolution. Leveraging modern molecular genetic dating and advanced phylogenetic statistical modeling, researchers ...

For decades, we’ve thought that childbirth is uniquely challenging for humans, but it turns out that many other primates find ...

New research challenges the notion that humans have the hardest childbirth among animals, revealing that many primates, ...

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

The study of dental microwear allows the analysis of the microscopic marks that foods leave on the surface of tooth enamel ...

Learn how 3D models of primate birth canals found that squirrel monkeys, bushbabies, and other small species may face a ...