"It's not just about making one German astronaut happy with fresh bread," Marcu explains. "There's really a deeper meaning to bread in space." Above, a photo illustration of bread in space.
NASA/ Bake in Space GmbH
A growing number of pediatric sports medicine groups warn that when a child focuses on a single sport before age 15 or 16, they increase their risk of injury and burnout — and don't boost their overall success in that sport.
Hero Images/Getty Images
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