On June 19, 2013, the Moderate Resolution Imaging Spectroradiometer on NASA's Aqua satellite captured this image of smoke from wildfires burning in western Alaska. The smoke was moving west over Norton Sound.
Fuente : http://www.eurekalert.org/pub_releases/2013-06/nsf...
Fuente : http://www.eurekalert.org/pub_releases/2013-06/nsf...



Tendencias Científicas
La prevención del VIH no llega a las jóvenes sudafricanas

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