Yemen on 'the edge of civil war,' says U.N. envoy

March 23, 2015 1:42 PM

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Yemen on 'the edge of civil war,' says U.N. envoy

A newly discovered frog species in Ecuador is able to change its skin texture, and in minutes' time.

The rain frog species, Pristimantis mutabilis, mimics the texture of whatever it sits on and is the first species of its kind. And scientists have discovered that one of the frog's relatives, Prismantis sobetes, can change textures, too.

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