A 161 million-year-old fossil, linked to a line of extinct frog-like amphibians, is the oldest tadpole ever found. By Asher Elbein The metamorphosis of a frog from baby to adult is one of nature’s ...
Tadpoles are to frogs as oranges are to apples. "They are so very different," University of Cincinnati Professor Daniel Buchholz said. In his biology lab, he and his students are studying the hormones ...
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