Scientists discover a noisemaking chamber in the extinct animal?s skull
Web edition : 12:32 pm
Giant beavers, which vanished from North America about 10,000 years ago, had a secret in their heads: a long compartment that stretched from front to back in the animals' skull. Caroline Rinaldi, a paleontologist who studies extinct mammals, may have figured out the chamber's purpose. She recently presented her ideas to a meeting of scientists in Las Vegas, using a plastic copy of the skull's hidden tunnel to demonstrate her surprising find.
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Found in: Science News For Kids
Source: http://www.sciencenews.org/view/generic/id/336430/title/FOR_KIDS_The_secret_songs_of_giant_beavers
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