The average bra size has increased from 34B to 36C.
Sports aren't just for jocks. LiveScience delves into the psychology, physiology and physics of sports, from new studies in sports medicine to news about professional athletes and information for weekend warriors.
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Chronic traumatic encephalopathy symptoms related to blast exposure and tackling can be greatly lessened by controlling the reactive movement of the head.
U.S. swimmer Ryan Lochte has said that 70 to 75 percent of Olympians have sex during the Games. Olympic athletes are compelled to copulation by something even stronger than looks, experts say.
From cyclists and kayakers to boxers and equestrians, Olympians need to protect their noggins. Here is a look at how engineers work to design safety helmets for Olympic athletes.
While the competitors in the Olympics are part of a tradition of sporting excellence, the history of the Olympics is also politically charged, often acting as a showcase for the world's squabbles.
Slower uphill riding times, red blood cell counts and more crashes in the peloton all point to a cleaner Tour de France.