Professional fighter Gina Mazany practices during a training session at Xtreme Couture Mixed Martial Arts in Las Vegas. She well remembers her first concussion — which came in her first fight. "I was throwing up that night, Mazany says. Bridget Bennett for NPR hide caption

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Bridget Bennett for NPR

Female Athletes Are Closing The Gender Gap When It Comes To Concussions

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Anthony Rowe, an associate professor at Carnegie Mellon University in Pittsburgh, wants bikes to feed information to nearby cars to avoid collisions. His back is fitted with an array of precise instruments and a battery hidden in the water bottle. Margaret J. Krauss/WESA hide caption

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Margaret J. Krauss/WESA

Bikes May Have To Talk To Self-Driving Cars For Safety's Sake

Audio will be available later today.