Author and marine conservation biologist David Shiffman (Why Sharks Matter) talks about Sharkweek, Sharknados, megalodon myths, Jaws and junk science with Skaana host Mark Leiren-Young (author of Sharks Forever & Big Sharks, Small World). "More people are bitten by other people on the New York city subway system every year than are bitten by sharks in the whole world... but whenever any shark gives someone side eye anywhere in the world, it's headline news everywhere in the world."