How do you measure the IQ of an octopus? The trick, says primatologist Frans de Waal, is to measure animal intelligence not by human standards, but by octopus or elephant or chimpanzee standards. Plus, coral bleaching, and a roundup of science news.
The story you just read is not locked behind a paywall because listeners and readers like you generously support our nonprofit newsroom. Now more than ever, we need your help to support our global reporting work and power the future of The World. Can we count on you?