To illustrate how natural selection may have produced such a species of busybodies, let us consider the lives of two hypothetical cavemen who are members of the same small hunter-gatherer society: I ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study looks at how natural selection works more subtly than previously believed while an organism is in a stable environment ...

We are lizard biologists, and to do our work we need to catch lizards – never an easy task with such fast, agile creatures. Years ago, one of us was in the Bahamas chasing a typically uncooperative ...

The Darwinian would say, "Gene dissemination: Successful competition in the hunt allows the fox to survive and breed, maximizing its individual representation of genes in the population. That's how ...

Research reveals how natural selection shaped the Bajau sea nomads’ spleens to boost oxygen delivery, helping them dive for minutes on a single breath. For more than a thousand years, the Bajau — ...

Jonathan Losos receives funding from the National Science Foundation. James T. Stroud does not work for, consult, own shares in or receive funding from any company or organization that would benefit ...

Daphnia pulex (a.k.a. the water flea) is a microscopic crustacean whose unique reproduction habits make it the perfect species for studying evolution and natural selection. A new study looks at how ...