A McDonald's Cheeseburger Happy Meal with apple slices, which are becoming standard fare. Keith Srakocic/AP hide caption

itoggle caption Keith Srakocic/AP

Indian schoolchildren write English alphabets on slates at a primary school outside Hyderabad in June. India is on track to overtake China as the most populous nation in just 16 years. Noah Seelam/AFP/Getty Images hide caption

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The regulation of medical devices bears a passing resemblance to this giant version of the Rube Goldberg-style game Mouse Trap. Bill Ward/Flickr hide caption

itoggle caption Bill Ward/Flickr

Presidential hopefuls Rep. Michele Bachmann (R-MN), who signed a pledge against abortion rights, and businessman Herman Cain, who has not, seen at the taping of a radio show in New Hampshire in May. Jim Cole/AP hide caption

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Johnson & Johnson is lowering the recommended top dose of Extra Strength Tylenol to reduce the risk of accidental overdose from acetaminophen. Paul Sakuma/AP hide caption

itoggle caption Paul Sakuma/AP

Doctors perform a kidney transplant operation in Spain in 2010. One in three people with kidney failure has antibodies that make it hard to receive a transplant, but a new treatment can get rid of them prior to transplant. Xurxo Lobato/Cover/Getty Images hide caption

itoggle caption Xurxo Lobato/Cover/Getty Images

Dr. Sandrine Courtial examines 3.5-month-old Ayline Alhas at the Centre de Protection Maternelle et Infantile (PMI) in Savigny-sur-Orge, France, before giving her a vaccination. Ayline's mother, Melissa, has been bringing her in for free well-child check-ups since her birth. Olivier Pascaud for NPR hide caption

itoggle caption Olivier Pascaud for NPR