Biologists bring mouth-birthing frog back from extinction

03/18/2013 | Popular Science

Australian scientists have succeeded in cloning a rare frog that has been extinct since the 1980s by implanting genetic material in the deactivated eggs of a related species. Using a technique known as somatic-cell nuclear transfer, biologists from the University of Newcastle's "Lazarus Project" created live embryos of the gastric-brooding frog, which gives birth through its mouth.

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