Ulama is a pre-Columbian team sport played with a solid rubber ball that's bounced off players' hips. In olden times, the game is said to have decided the winners of wars.
The storm is quickly approaching Hong Kong, where officials have warned residents to take shelter. Forecasts predict that the storm will weaken over land.
Officials and residents raced to prepare as the storm approached the northern part of the country. In 2013 typhoon Haiyan killed more than 6,000 people in the Philippines.
The World Anti-Doping Agency's compliance review committee made the call, despite protests from international athletes that they "will no longer have faith in the system."
"We are depleting volumes of water that took hundreds, thousands of years to store. Sooner or later it will run out," says Mexico City's outgoing water system director.
USAID has launched a series of experiments to see how traditional aid compares to giving people cash. The first results are in. And they're proving controversial.
Russian agents were allegedly planning to hack into a Swiss laboratory that was analyzing nerve agents used in March against a former Russian spy and his daughter.