SAN FRANCISCO--If you were at the Exploratorium here the other day, you might well have needed to be wary of flying objects.
That's because, way in the back of the world-class science exploration museum, senior scientist Paul Doherty was giving a primer on why the curveball--one of the most important pitches in baseball--curves.
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*Source: News.com (
http://www.news.com/8301-13772_3-9914179-52.html?tag=)*
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