Ocean secretsA Greenland shark is seen swimming beneath the ice near northern Baffin Island in the Canadian Arctic. Avalon.red/Alamy Stock PhotoThe rarely seen Greenland shark is a sluggish creature, slowly swimming through the deep waters of the North Atlantic and Arctic oceans. The polar fish is the only species of shark that can withstand the freezing temperatures year-round. The large sharks also live to be more than 400 years old, and some of them may have been alive since colonial times. The carcass, studied by whale scientists and members of the local Māori community, yielded precious clues about the deep-sea-diving animal.

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Persons: CNN —, ” Peter Pan, J.M, Jonathan, Tess Crowley, Anton van Helden, Tom Björklund, Max Planck, ”, Priya Moorjani, “, NASA Juno spacecraft’s, Ashley Strickland, Katie Hunt, Jackie Wattles Organizations: CNN, Chicago Tribune, Fish and Wildlife Service, University of California, Pacific, NASA, CNN Space, Science Locations: St, Helena, Baffin, Chicago Park, New Zealand, what's, Ranis, Germany, what’s, Berkeley