Those who were kids in the 80s may remember a sweet little toy called the Pop Ball. A simple rubber hemisphere, this rubber cup could be turned inside out and thrown on the ground, where it would hit ...

Rubber was an essential material for many people of pre-Columbian Mesoamerica, who used it to make objects such as sandals and rubber bands. However, it is perhaps best known as the material used to ...

Millennia ago, a stone court would have hosted teams of players wearing belts and loincloths using their hips to knock a hard rubber ball toward goals at either end of the court. The ball game, which ...