Antarctica's topography began changing from flat to fjord-filled starting about 34 million years ago, according to a new report from a team of geoscientists.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/j...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/j...



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La prevención del VIH no llega a las jóvenes sudafricanas

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