Saul Perlmutter

Nobel Prize winner Perlmutter, an astrophysicist at the University of California at Berkeley, talks to his daughter, Noa, after a press conference on Oct. 4 in Berkeley, Ca.

( Kimberly White/Getty Images )

Nobel Prize winner Perlmutter, an astrophysicist at the University of California at Berkeley, talks to his daughter, Noa, after a press conference on Oct. 4 in Berkeley, Ca.

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