Assertion: sea urchin's structure | /r/CapableOf | evolve over 200 million years
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text: Such an exquisite structure has evolved over 200 million years, and it can perform far better than manmade, nonoptimized tools," said study co-author Pupa Gilbert, a biophysicist at the University of Wisconsin-Madison.
text: Such an exquisite structure has evolved over 200 million years, and it can perform far better than manmade, nonoptimized tools," Pupa Gilbert, a biophysicist researching sea urchin teeth and not involved in the UC San Diego development, told National Geographic in 2010.