52-Million-Year-Old Bat Fossil
Wednesday, March 12, 2008
Researchers have unearthed a 52-million-year-old fossil of a primitive bat that proves that bats developed the ability to fly before echolocation. Dr. Nancy Simmons of the American Museum of Natural History explains why scientists are so excited about this discovery.

Comments [1]
i was looking forward to the segment. i hope there's time.
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