Sharks are "tooth factories," losing thousands of teeth throughout their lives. We have found thousands of fossilized Megalodon teeth, but none date more recently than 3.6 million years ago.
: The feature follows "marine biologist" Collin Drake as he investigates a supposed 2013 fishing vessel attack off the coast of South Africa. megalodon: the monster shark lives
The idea that a 50-foot apex predator still prowls the deep ocean is a popular staple of cryptozoology and Hollywood cinema, but it lacks any empirical basis. Sharks are "tooth factories," losing thousands of teeth