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exochemistry

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exochemistry

Looking for Aliens in all the Wrong Places

Life doesn't need water. In fact, all kinds of weird liquids could be solvents for life like water is here on Earth. Scientists say the list of alien water-substitutes is long, from frigid nitrogen to supercritical CO2 to methane to formamide. Whatever inhabits these other liquids would have to take on some truly odd forms, right down to DNA like we've never seen before. More »

2:03 PM on Fri Apr 18 2008
By Michael Reilly
1,538 views, 10 comments