By bouncing a soccer ball, a UMBC sophomore realized rubber made from tree sap can hold a lot of energy. So, he took a rubber ...

At Bola Gema Pakistan's factory, workers are responsible for all aspects of a soccer ball's creation, from cutting and molding sheets of hot rubber to patching together the 20 hexagons and 12 ...

Miles from the main roads, in rural Africa, soccer balls bounce ... in fraying sneakers, boots, rubber sandals. Yet children kick and chase handmade, lopsided balls with skill and abandon ...