Life at the base of Mount Everest As Mount Everest has gained popularity as a climbing adventure, the mountain's base camp - where people acclimate to the high altitude - is turning into a destination of its own.5:24 p.m.
Why Neil Gaiman loves libraries Award-winning author Neil Gaiman says libraries are more vital than ever. To press his point he's serving as honorary chair for National Library Week.5:50 p.m.
National Public Radio Stories
World Leaders Gather At Nuclear Security Summit
The Nuclear Security Summit, with leaders from more than 40 countries, got under way Monday in Washington, D.C. The two-day meeting seeks to keep nuclear material out of the hands of terrorists and rogue states.
Unsecured Nuclear Material Poses Risks
Robert Siegel talks to Joseph Cirincione of the Ploughshares Fund, a nonprofit foundation that supports nuclear disarmament, about unsecured nuclear materials worldwide. He is also the author of the book Bomb Scare: The History and Future of Nuclear Weapons.
Vatican: Bishops Must Report Alleged Abuse To Police
The Vatican says this has long been its policy, but the guidelines, posted on its Web site, mark the first time the requirement has been spelled out publicly. The Roman Catholic Church has been under fire from critics who say church officials failed to report allegations of clergy sex abuse to authorities.
Colleges Turn From In-House E-mail To Free Gmail
Universities are trading in their server-clogging in-house e-mail systems for Gmail, which Google offers to schools free. Colleges that make the switch save time, money and precious disc space. But at least one school has backed off, and a few students are asking, "What's the catch?"
Building A Wireless Network Out Of Junk
Volunteers with MIT's Fab Lab program, which is part of the school's Bits and Atoms lab, helped create a Wi-Fi network in Afghanistan. They call it FabFi, and they made it from junk: wire, a plastic tub, USAID vegetable oil cans. Amy Sun, a research assistant at MIT's Fab Lab, talks to Robert Siegel about the project.
How The FBI Got Inside The Hutaree Militia
Last month, David Stone Sr. and his wife, Tina, were among nine people indicted on sedition and weapons charges in what prosecutors say was a plot to spark an anti-government uprising by killing police. In an unusual twist, the FBI not only used surveillance tapes and an undercover agent to unravel the alleged plot but also got help from another militia group in Michigan.
State Gun Laws Aim At Dodging Federal Regulation
Seven states have passed laws saying guns that are made, bought and owned in that state aren't subject to federal regulation. And nearly two dozen more are considering it. Defenders say the Firearms Freedom Act puts the federal government on notice; critics argue that a hands-off approach doesn't work.
Florida Could End Teacher Tenure, Embrace Merit Pay
The state Legislature has passed some of the nation's most sweeping changes for teachers. The proposal would phase out tenure and would tie salaries, in part, to student test scores. So far, Republican Gov. Charlie Crist says he's not made up his mind; teachers are pressuring him to veto it.
Yale's OHAM: Saving The Voices Of Composers
Forty years ago, a young librarian named Vivian Perlis had an idea: Why not ask composers who are still living what future historians might want to know? That inspiration eventually led to the creation of Yale University's Oral History of American Music, and Perlis is still at the helm.
At Summit, Diplomacy Plays Out On The Sidelines
The Nuclear Security Summit is about securing fissile material. But on the sidelines, many diplomatic stories are playing out. President Hu of China and President Obama meet in a sign of warming relations. Indian Prime Minister Singh meets Mr. Obama, another sign of strengthening ties. And where's Israeli Prime Minister Netanyahu?