We can explain our brains, bones, and even balls... but this very visible part of us still has evolutionists stumped.

Chimpanzees are losing their homes, but it’s not too late. World chimpanzee day shows us why they matter and how we can help.

Now, why this happens is a question we’re not quite sure about – but there may be a clue in the fact that we’re not alone.

Gain access to all articles, ad-free browsing, exclusive content, The Vault, and other benefits! Laura is an editor and staff writer at IFLScience. She obtained her Master's in Experimental ...

Human opinion formation has evolved to favor survival and social cohesion. Understanding this enables us to develop more ...