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 ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Paleobiologist Dr ...
Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...
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