Louisville has been named the top seed in the men's NCAA basketball tournament, joined by fellow Number 1 seeds Kansas, Indiana and Gonzaga in the 68-team March Madness bracket released on Sunday (March 17th). Last year's champion, Kentucky, didn't make it into the tournament at all. Play begins Tuesday with two games in Dayton, Ohio.
- In order to guarantee picking the winner of all 67 March Madness games, you'd have to fill out more than 9 quintillion brackets -- which is a "9" followed by 18 zeros. If you used one sheet of paper for each bracket, all that paper wouldn't fit inside the entire universe. (Associated Press)