What makes concussions so dangerous? An expert explains

Taking a punishing hit on the football field or soccer pitch; having your head jostle around during a car accident; experiencing a fall from a ladder. An estimated 3.8 million concussions occur each year throughout the U.S. ...

Sensor suits map injury risk in pro dancers

Ballet is an art of illusion: dancers seem to float across the stage and, in their leaps, appear to defy gravity for a moment. The effort behind this lightness and grace usually remains invisible to audiences. "Professional ...

Marathon training: Why hot baths might help you run faster

For decades, elite runners have traveled the world to train at high altitude. When oxygen levels in the air are low, the body responds by producing more red blood cells—the cells responsible for carrying oxygen around the ...

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