In an ancient shark showdown, 'Jaws' may have doomed 'The Meg' - Reuters

An examination of the zinc content of teeth from sharks both living and extinct is providing clues about the demise of the largest-known shark, indicating the mighty megalodon may have been out-competed by the great white shark in ancient seas.

WASHINGTON, May 31 (Reuters) - An examination of the zinc content of teeth from sharks both living and extinct is providing clues about the demise of the largest-known shark, indicating the mighty me… [+3866 chars]

full article...