Beach-goers often fret over sharks and jellyfish, but modern day oceans are downright tame compared to Earth’s geologic past. 460 million years ago, a five-foot-long, scorpion-like monster straight out a 1950s science fiction flick ruled the seas.
Beach-goers often fret over sharks and jellyfish, but modern day oceans are downright tame compared to Earth’s geologic past. 460 million years ago, a five-foot-long, scorpion-like monster straight out a 1950s science fiction flick ruled the seas.
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