As a National Geographic Emerging Explorer, Constanza Ceruti studies ancient Andean peoples and their sacred ceremonial sites. The high-altitude archaeologist braves blistering winds and altitude sickness to reach the highest peaks of the Andes, often working in locations that few humans have visited in hundreds of years.
It's a question that has plagued parents for generations: Why do teenagers act the way they do? Why the angst, anger and unnecessary risks? Many scientists say a growing body of research may provide some answers.
After his son was pulled over for driving 113 mph, science writer David Dobbs set out to understand what researchers know about the teenage brain. The resulting story, "Beautiful Brains," is the cover story in the October 2011 issue of National Geographic magazine.
The prospect of a United Nations vote on Palestinian statehood did not escape the notice of the Republican contenders for president as Texas Gov. Rick Perry on Tuesday hurled himself into the debate over Middle East policy with a public address on the subject in New York City.
The news and lifestyle website MamiVerse launched this summer. It features Latina journalists, writers, entrepreneurs and everyday moms who are just trying to keep it all together. The site is also for the moms' daughters and their families.
On Tuesday, Georgia's pardons board rejected a last-ditch plea for the clemency of Troy Davis, who is to be executed Wednesday for killing a police officer. Davis claims innocence. No physical evidence links him to the murder. His supporters, including legal professionals, say the case is rife with doubt.
MICHEL MARTIN, host: I'm Michel Martin and this is TELL ME MORE from NPR News.
Coming up, a major civil rights victory for LGBT servicemembers. The policy which prevented them from serving openly in the military, the so-called "don't ask, don't tell" policy comes to an end today. We'll talk with a decorated Air Force veteran who's career came under a cloud because of "don't ask, don't tell." We'll ask him about his thoughts about this day.
On Tuesday, the Pentagon officially terminated "Don't Ask, Don't Tell." More than 14,000 troops were discharged under the law that banned gays and lesbians from serving openly in the military. The repeal interrupted the discharge of Lt. Colonel Victor Fehrenbach. He speaks with host Michel Martin.