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December 1st, 2012

Illustration of an injection of pain reliever into the epidural space. From Wikipedia

What is the drug of choice for short-term and long-term birth control?

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Christopher Lloyd as Doc Brown, the inventor of the time machine in "Back to the Future". PR photo

Quantum Philosophy: Time Travel, Time Teleportation, and Schrödinger's Cat Resurrected

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Radar imaging of the north pole of Mercury on top of a mosaic of images taken by the Mercury Messenger spacecraft in the same area. All the large ice deposits in the polar region are located on the bottom or walls of impact craters. Deposits far from the pole appear to have been concentrated on the north-facing side of craters. Photo: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington/National Astronomy and Ionosphere Center, Arecibo Observatory

Ice marks on Mercury

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Looking down Ilulissat Fjord towards its source, where the Jakobshavn Isbrae Glacier loses ice to Okiranus. The fjord is studded with glaciers along its entire length (60 kilometers). Photo by Ian Joughin, University of Washington

The Greenland and Antarctic ice sheets are losing ice rapidly

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