Explore the chemistry of the football (soccer ball) used in the 2014 World Cup.
World Cup Ball Chemistry Quiz - ChemistryViews
Ball (association football) - Wikipedia
World Cup chemistry: The science behind the
Discussing Football Science & Medicine during the FIFA World Cup- let's get the ball rolling! - BJSM blog - social media's leading SEM voice
Highlights of gridiron football games from October 27, 1956
World Cup 2014: More Spectacular Goals Thanks to Soccer Ball Physics
Butyl rubber (IIR)