To reach one of the last wild populations of the mountain yellow-legged frog on Earth, Adam Backlin and Elizabeth Gallegos tramped down a no-nonsense trail, scaled cliffs and barged through nettles along a vein of water in ...
Plants & Animals
Sep 18, 2012
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All tadpoles grow into frogs, but not all frogs start out as tadpoles, reveals a new study on 720 species of frogs to be published in the journal Evolution.
Evolution
Sep 10, 2012
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Zoologists of the University Jena (Germany) analysed the central factor for the development of the morphologically distinctive features of the tadpoles. "We were able to show that the 'FOXN3' most of all influences the development ...
Plants & Animals
Jan 13, 2011
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The four-day testing period the U.S. Environmental Protection Agency (EPA) commonly uses to determine safe levels of pesticide exposure for humans and animals could fail to account for the toxins' long-term effects, University ...
Environment
Aug 17, 2009
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