How Megalodon Worked


 Elenarts/Thinkstock
Elenarts/Thinkstock

Between 2 to 20 million years ago, the biggest shark with perhaps the most devastating bite of any animal ever ruled the oceans with an iron jaw. Despite its fierceness, megalodon went extinct while other species that swam with it survive today. Why?

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Topics in this Podcast: sharks, cryptozoology, science