Alexander the Great dived into the unknown, facing giant crabs, pearls, and mysterious depths in a legendary underwater ...
Smithsonian Magazine on MSN
Sharklike Fish With Weird, Buzz-Saw Jaws Sliced Through the Seas, Then Vanished. Now, Paleontologists Are Unraveling Their Secrets
These "total monsters of fishes" are extinct today, though new clues about their lives come from CT scans and their closest ...
Sleep may have evolved to help reduce DNA damage in nerve cells long before they became centralized in the brain, a study ...
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