All Things Considered

The first major gun bills in nearly two decades had their first hearing in the Senate on Thursday, including an assault weapons ban and a ban on so-called "straw purchases." Still, even in the aftermath of the shootings in Newtown, Conn., the legislation faces an uphill battle. Ailsa Chang talks to Melissa Block.

The Senate easily confirmed the nomination of John Brennan as CIA director, that following the dramatics of Sen. Rand Paul, who filibustered against it for nearly 13 hours on Wednesday night. Is this the dawn of a new era of these, old-school, "talking" filibusters? Tamara Keith talks to Audie Cornish.

For more than a century, neurons have been the superstars of the brain. Their less glamorous partners, glial cells, can't send electric signals, and so they've been mostly ignored.

Update at 4:30 p.m. EST. Details Of Capture

Osama bin Laden's son-in-law and a former al-Qaida spokesman, Sulaiman Abu Ghaith, is in U.S. custody and is being held in a Manhattan jail. He could appear in a federal court as soon as Friday, U.S. officials familiar with the case say.

His capture is considered important not just because he was so close to bin Laden but also because U.S. officials have decided to try him in a federal court, not Guantanamo Bay.

Camels belong in the desert. That's what we've learned since grade school.

Today, NPR's Melissa Block talked to Natalia Rybczynski, a paleobiologist at the Canadian Museum of Nature, who tells Melissa that fossils she has unearthed tell a different story.

The fossils, found on a frigid ridge in Canada's High Arctic, show that modern camels actually come from giant relatives that roamed the forests of Ellesmere Island 3.5 million years ago.