Whirlpools can also be caused by winds, which may cause surface currents to switch direction, and consistent whirlpools are sometimes caused by geographical features which determine the flow of water currents in a region.
NCAA March Madness Schedule | NCAA.com. Our 2015 March Madness Schedule provides all the official dates for the First Four, Second and Third Rounds, Regionals, Final Four and the Championship Game. First Fourâ¢: March 17-18. Second-Third Rounds: March 19-22.
The NCAA Division I Men's Basketball Tournament (known informally as March Madness or the Big Dance) is a single-elimination tournament played each spring in the United States, currently featuring 68 college basketball teams from the Division I level of the National Collegiate Athletic Association (NCAA), to determine the national championship.