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Dr. Nancy Simmons

Dr. Nancy Simmons appears in the following:

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.