If not for this near-extinction mystery the oceans would be full of sharks

Were it not for a mysterious near mass-extinction event roughly 19 million years ago, the oceans could be filled with a whole lot more shark...

Were it not for a mysterious near mass-extinction event roughly 19 million years ago, the oceans could be filled with a whole lot more sharks than they are today. Those prone to galeophobica should probably look away, because a new study of deep sea shark tooth remains suggest populations could’ve been exponentially higher had the marine predators not faced a … Continue reading

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