Rat eye boggling: discover how evolutionary dental maintenance (tooth grinding) turned into a social signal for relaxation.

David Stipp’s “Why Rats Laugh & Jellyfish Sleep” is a breezy ode to nature’s long game. The respected science expert’s beautifully written book celebrates the adaptive ingenuity of animals whose ...

Another ape that cracks up in the wild is the bonobo, known for their cooperative and peaceful behaviour. They produce soft ...