CT scans of fossil Hadrocodium skulls allowed scientists to reconstruct its brain. The olfactory bulbs, located at the front of the brain, grew steadily larger as millions of years passed. Matt Colbert/University of Texas at Austin hide caption

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Radio telescopes of the Allen Telescope Array, seen here soon after their construction in 2007, gave SETI's search for intelligent alien life a big boost. Now the array, located in Hat Creek, Calif., has lost the funding it received from the California state government. Ben Margot/AP hide caption

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