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SpaceRip The Fermi Gamma Ray Space Telescope has turned up rare evidence that space-time is smooth as Einstein predicted, and has ruled out the idea that it's foamy enough to interfere with light. From NASA 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.