Scientific American: When I read that the soccer balls used for World Cup games have been specially designed for the climate in Brazil, that got me wondering which climate? Brazil has many different climates. And are the players ready for a wide range of climates too?
Technically its winter in the Southern Hemisphere, but that doesnt stop the heat or humidity in a place like Manaus, Brazil, at the heart of the Amazon rainforest. During Saturdays match between England and Italy it was a sweltering 90 degrees Fahrenheit....