This flea market in Colorado Springs and the Obamacare exchanges are versions of the same thing — marketplaces where sellers display wares and shoppers browse and buy. www.csfleamarket.com hide caption

Nick and Rachel Robinson welcome their son Cash, who was born in a midwife's birthing pool. Jessica Hooten/Courtesy of Nick Robinson hide caption

A typical Russian kitchen inside an apartment built during the early 1960s, when Nikita Khrushchev led the Soviet Union — what later became known as Khrushchev apartments. Courtesy of The Kitchen Sisters hide caption

The Beirut Holiday Inn rises behind the man who built it, Abdal Mohsin Kattan, in 1975. The Holiday Inn was one of the leading hotels in Beirut at a time when it was the most glamorous city in the Middle East. But when the Lebanese civil war broke out in 1975, the hotel was fiercely contested by rival militias. Lebanese are still debating what to do with the building. Thomas J. Abercrombie/National Geographic/Getty Images hide caption

Workplace bullying even happens at the NFL. Investigators concluded that Miami Dolphins lineman Jonathan Martin was harassed by other teammates. John Minchillo/AP hide caption

Toni Smart points to the oven that she uses to heat her one-bedroom apartment, which has no heat. Smart says she and her kids stayed in homeless shelters a few years ago. She says she'd rather be without heat than in the shelter. Pam Fessler/NPR hide caption

In epilepsy, the normal behavior of brain neurons is disturbed. The drug valproic acid appears to help the brain replenish a key chemical, preventing seizures. David Mack/Science Source hide caption