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The Greenland Shark, the Longest-Living Vertebrate on Earth (2017)
How a triple infanticide in Germany shed light on an elusive cold-water predator.
Unlike other proteins, which undergo constant recycling and replenishment, crystallines remain stable throughout a person’s life; they are envelopes sealed at birth, their contents an artifact from the womb. Over the next five years, as Nielsen completed a master’s and then a doctorate at the University of Copenhagen, he and a group of research trawlers and local fishermen harvested eyes from twenty-eight Greenland sharks. Increasingly, scientists are searching the natural world for the genetic and behavioral mechanisms that endow creatures with their special abilities—that make elephants virtually immune to cancer, say, or axolotls capable of regenerating a lost limb.
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