Scientists Keep A Careful Eye On The World Cup Ball

After a botched redesign in 2010 caused the ball to behave erratically, independent scientists have carefully studied the new ball.

Source: http://www.npr.org/blogs/thetwo-way/2014/06/20/323719969/scientists-keep-a-careful-eye-on-the-world-cup-ball?ft=1&f=1055

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