Killer whales caught on video grooming each other with seaweed after master’s student noticed “something kind of weird” going on
Killer whales have been caught on video breaking off pieces of seaweed to rub and groom each other, scientists announced Monday, in what they said is the first evidence of marine mammals making their own tools. Humans are far from being the only member of the animal kingdom that has mastered using tools. Chimpanzees fashion…
