The Greenland shark is the slowest shark in the sea, and perhaps the longest-lived vertebrate on Earth. A municipality on Greenland's west coast recently approved a bounty to kill 1,000 of them, setting fishers who say the animals are wrecking their livelihoods against scientists who warn the plan could backfire. A Bounty on a Centuries-Old Shark In February, the … [Read more...] about Greenland Offered $45 a Heart to Kill 1,000 Sharks That Can Live 400 Years — Then Dropped the Plan, but Not the Debate