Science

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This artist's concept shows one of the GRAIL satellites inserting itself into orbit. Image by NASA/JPL-Caltech. The twin GRAIL robots, the washing-machine sized satellites that have been zipping around the moon for nearly a year, will end their…

Israelis in a hot water spring on the shore of the Dead Sea near the Israeli Kibbutz of Ein Gedi watch the sky for Geminid meteor streaks above the Judean desert on December 14, 2012. Photo by Menahem Kahana/AFP/Getty…

To understand more about the link between addiction and genes, science correspondent Miles O'Brien drinks a mixture of 30 grams of pure ethanol and Diet Coke, the equivalent of three stiff drinks, and undergoes a series of tests.