When Ohio University integrative biologist Nancy Stevens peered into a drawer in the wooden cabinets on the top floor of a Nairobi museum in 2010, she saw a chunk of rock containing massive teeth and knew she had come across something important.
When Ohio University integrative biologist Nancy Stevens peered into a drawer in the wooden cabinets on the top floor of a Nairobi museum in 2010, she saw a chunk of rock containing massive teeth and knew she had come across something important.