Since Steven Spielberg's “Jaws” in 1975, sharks have boasted a serious pop culture bite. But when it comes to dealing with a trendier toothy menace ... well, we’re going to need a bigger boat. The ...
The megalodon went extinct 3.6 million years ago, and is thought to be the largest shark that ever swam the Earth. But there's debate over what it looked like. Most scientists have described it as a ...
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