Cows use tools now

Johnny Mac presents five stories: Austrian researchers at the University of Veterinary Medicine, Vienna document a Swiss Brown cow named Veronica deliberately using sticks and a long-handled brush to scratch herself, meeting the scientific definition of tool use. Off the coast of Baja California, underwater photographers and free divers rescue a devil ray (mobula ray) severely entangled in a buoy line from a shark fisherman while sharks circle nearby; after being freed, the ray swims away and returns for a close pass described as a “thank you” circle. Don, a 100-year-old Royal Marines veteran who landed in the first wave at J...