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Want more? Subscribe to NASA on iTunes! phobos.apple.com Earth is currently in a period of warming. Over the last century, Earth’s average temperature rose about 1.1 F (0.6C). In the last two decades, the rate of our world’s warming accelerated. Scientists predict that the globe will continue to warm over the course of the 21st century. Is this warming trend a reason for concern? After all, our world has witnessed extreme warm periods before, such as during the time of the dinosaurs. Earth ……

SpaceRip series page at Hulu.comAward winning tour of Earth’s icy zones and the changes documented by satellites. From NASA’s Scientific Visualization Studio….

Un dealer. Un junkie. Un jeune couple. Quatre destins qui vont se croiser au cours d’une même nui……