Olympics

Scientists are analyzing how factors such as the length and stiffness of artificial limbs affect performance in athletes with amputations.

Alena Grabowski, a University of Colorado Boulder researcher, discusses her motivations for studying the interface between biology and mechanics in prosthetic devices.

People returning from the Olympic and Paralympic Games in Brazil will not substantially affect viral transmission in most participating countries, according to the US Centers for Disease Control and Prevention.

Sexual transmission more common than thought; NIH to track infections among Olympians; Zika-related birth defects draw attention to another common virus

Human Genome Project-Write; viruses are alpha predators; Zika and the Olympics

World Health Organization concludes the events are unlikely to worsen the viral outbreak.

Once the 2012 Olympics are over, the newly established drug testing lab will be turned into the world’s leading center for metabolic phenotyping.

Elite runners maintain fantastic levels of fitness, with low body fat percentages and high maximal aerobic capacity.

Restrictions on motor vehicles before the 2008 Games improved the city’s air quality, suggesting similar sustained measures could greatly reduce global emissions.

“The body is a fascinating machine,” says Sandra Shefelbine, a biomechanics expert at Imperial College, London, in this 3-minute educational video by the Wellcome Trust illustrating the principles of muscle movement. “And we don’t understand most of

Scientists work hard to keep up with ever-evolving performance enhancement techniques that go undetected by existing tests.

The Science of Sports: Winning in the Olympics takes a timely look at research on athletics.

Researchers follow 44 ultramarathon runners in a race across Europe to track the body's response to extreme physical challenge.

Allowing athletes to enhance their performance by using genetic engineering to manipulate their DNA may become a reality of future Olympic Games.

Evolving the ability to run may also have made our ancestors smarter, suggesting that exercise can be healthy for the brain as well as the body.

The most high-tech laboratory in the history of the Olympic Games is prepared to begin athlete testing in London.