This story appears in the February 2013 issue of National Geographic magazine. Miles from the main roads, in rural Africa, soccer balls bounce unevenly. Playing fields are arid, lush, weedy, sandy ...

Soccer ball production is a major source of income ... people don't have the space to play it. So buyers have cut demand by 70%," said Waseem Shahbaz Lodhi, managing partner of Bola Gema Pakistan ...

It will be the SpaceX's 18th cargo resupply mission to the space station for NASA thus ... "Observing and measuring the motion of soccer balls in microgravity improves understanding of the general ...