Every night before bedtime, my daughter tilts back her head so that a pair of metal plates inside her mouth can be cranked ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback