sharks July 29, 2022 3:19 pm Meet a Marine Biologist Who Tracks Great Hammerhead Sharks to Save Them Marine Ecologist and Nat Geo Explorer Local 1:45 NYPD enters Columbia University in riot gear to clear protest 1:14 El Minuto 4/30 Spanish Edition 1:02 El Minuto 4/30 English Edition 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name