If, like me, you don't give a rat's behind for the basketball tournaments and brackets but are interested in science, then go ahead and make your predictions in the Science Spring Showdown 2007 tournament over on World's Fair. Various Sciencebloggers will write "Basics"-style posts in defense of one concept or another, you will vote for winners and if you correctly guess all the winners - well, I don't know what will happen, but you will certainly become immensely famous around these parts, at least.
So, donwload the brackets, fill out your choices and follow the tournament at the Press Center over the next several days.
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