Why are 90% of people right-handed and 10% left-handed? A modification of the well-known fighting hypothesis aims to explain this pattern.

Most people know only two things about the appendix: You don’t need it – and if it bursts, you need surgery fast. That basic ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

In Lake Malawi, hundreds of species of cichlid fish have evolved with astonishing speed, offering scientists a rare opportunity to study how biodiversity arises.

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. If you’re interested in why we act the way we do, and the extent to ...

Researchers at Stockholm University have provided the first experimental evidence that brain regions can evolve independently of each other during cognitive evolution. This so called mosaic brain ...

While natural selection is best known for weeding out the weak, it may also be partly responsible for the apparent rise of some disorders, such as autism, autoimmune diseases and reproductive cancers, ...

Does evolution explain why we can't resist a salty chip? Researchers found that differences between the elemental composition of foods and the elemental needs of animals can explain the development of ...

Researchers have provided the first experimental evidence that brain regions can evolve independently of each other during cognitive evolution. This so called mosaic brain evolution was verified ...