Do we really understand what's happening here?
Ian Waldie/Getty Images
October 12, 2012 Can natural science find a place for us in its vision of the cosmos? Thomas Nagel, in a new book, demands we take this question seriously. He is right to do so.
Plants do seem to have a sense of where they want to go.
Brent Stirton/Getty Images
December 2, 2011 There is good evidence that plants exhibit signs of intelligent behavior. Is this because they are robots?
August 27, 2010 U.S. intel chief James Clapper told the nation's intelligence community to stop media leaks in a memo that the Associated Press got its hands on (through a leak possibly?)
July 16, 2010 Intel officials warn contractors: keep your mouths shut after a Washington Post investigation runs.
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