Human activity often adversely affects animals, from a wasp to this sawfish in its ocean habitat Tsuyoshi Kaminaga/EyeEm/Getty Images
Bodley Head
THERE was a time when Qualia the octopus would have been as game as any of her kind to show off her famed party trick of unscrewing a jar to get at the tasty crab inside. Not any more, although she is still capable of doing it and her appetite for crabs remains. So what’s up?
To understand the behaviour of Qualia and myriad other animals, Pulitzer prize-winning author Ed Yong invites us…
