Killer whales spotted making and using grooming tools Killer whales living off the west coast of North America have been spotted making and using tools to groom one another, according to international researchers. The team observed the whales breaking off the ends of bull kelp stalks, and p| Scimex
For four years now, orcas have been ramming and sinking luxury yachts in European waters, and scientists have struggled to work out just why these smart, social animals had learnt this destructive new trick. But it's not due to some anticapitalist 'eat the rich' agenda, nor is it to do with…| New Atlas