Researchers believe the trait is an adaptation to counter the females’ post-coital hunger. I’m not sure if lizards can experience PTSD, but if they can, I have every reason to believe this science ...

For years, the story of recent human evolution looked relatively quiet. Scientists studying ancient human DNA had found only a few dozen clear cases where natural selection appeared to strongly favor ...

Data from more than 15,000 ancient people reveal natural selection of hundreds of genes linked to immunity, skin tone, behaviour and other traits. The biggest ever study of ancient human DNA shows ...