<p>In this March 31, 2011 file photo, Jefferson High School librarian Diana Inch displays her winning NCAA tournament bracket from Yahoo.com's online contest in Jefferson, Ore. The odds of completing the perfect bracket by picking the higher-seeded team are 35 billion to 1.</p>
March 19, 2013
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March 19, 2013 9 p.m.
America starts filling out brackets
Picking the NCAA tournament is a lot of fun
Professor Michael Magazine is upending the logical world of math with a good dose of March Madness.