A study of young and middle-aged Italian women showed that 20 percent of those surveyed had adjusted the way they practiced and competed in sport due to urinary incontinence. Even Title IX can't help address this. The study, published last month in the British Journal of Sports Medicine, showed that 10 percent of women literally abandoned a sport because of episodes of leakage. The abandonment rate increased significantly for women who had borne children, and an increase in body mass index also correlated with problems.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.