DNA from tooth in Florida man's foot solves 25-year-old shark bite mystery

(Florida Museum of Natural History) In 2018, a Florida man found a piece of tooth embedded in his foot from a shark bite off Flagler Beach 24 years earlier. A DNA test of the tooth, conducted by scientists at the Florida Museum of Natural History, revealed the kind of shark that had nabbed his foot nearly a quarter century ago: a blacktip.