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 ...
Cuttlefish can change colour in 200 milliseconds, as fast as a human can blink. Cuttlefish have W-shaped pupils, which are thought to help control the intensity of light entering the eye. Cuttlefish ...
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