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Ecosystems

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Natural Selection - Natural Selection, Evolution, Mutation. The Greenhouse Effect - Thermodynamics, Heat, Climate Change. The Cicadas Are Coming! DIY ground thermometer. Hide captionCicadas live underground and emerge in 13- or 17-year cycles.

The Cicadas Are Coming! DIY ground thermometer

Stephen Jaffe/AFP/Getty Images Cicadas live underground and emerge in 13- or 17-year cycles. Back in 1996, a group of baby cicadas burrowed into soils in the eastern U.S. to lead a quiet life of constant darkness and a diet of roots. Extinct frog hops back into the gene pool. In what may be considered an early Easter miracle, an extinct species of native frog has begun its rise from the dead.

Extinct frog hops back into the gene pool

Australian scientists have grown embryos containing the revived DNA of the extinct gastric-brooding frog, the crucial first step in their attempt to bring a species back to life. The team from the aptly named Lazarus project inserted the dead genetic material of the extinct amphibian into the donor eggs of another species of living frog, a process similar to the technique used to create the cloned sheep Dolly.

Ecology Interactive.