NYC beaches briefly closed for swimming after 'multiple' shark sightings
New research shows 2/3 of species in global shark fin trade at risk of extinction
Analysis of fossil whale skulls provides evidence that during the late Miocene, multiple shark species that include the megalodon, great white shark, and mako shark used to feed on the foreheads and noses of sperm whales (Physeteroidea) for the fatty organ's stores of nutritious blubber and oil.