The 2014 World Cup final is almost here, and no matter which two teams meet for the title match, there's one thing they'll both need to win: the ball. The "brazuca" is different from most other soccer balls out there, and our pals over at the Compound Interest blog dug in to find out why. Brazil Samba provided by Pond5. Special thanks to Compound Interest: http://www.compoundchem.com.
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