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SpaceRip Craters on the Moon's south pole may contain water ice that could be mined to support a lunar colony. Images from NASA's Goddard Space Flight Center.
Cable Highlights The MHP panel talks about the issues facing our water infrastructure, from water pollution to water droughts and shortages.
Cable Highlights Alex Witt talks to NBC News Olympic Security Analyst Andrew Weiss about the current state of affairs at the Sochi Olympics and Russia.