Talk of the Nation on UPR Too

Reporting in Nature, an international team of scientists say they've visualized the structure of a protective protein coat that surrounds many bacteria, down to the scale of a single atom. Structural microbiologist Han Remaut, co-author of the study, discusses potential applications of the research.

A moray eel, a flock of geese and a shrunken head are just a few of the things found in and around Her Deepness' office. Earle, an explorer-in-residence at the National Geographic, has desks all over the country. A few months ago we stopped by her Oakland home-base for the next installment in our Desktop Diaries series.

Reporting in Science, researchers write that a red disk painted in Spain's El Castillo cave is at least 40,800 years old--making it the oldest known European cave art. Archaeologist Alistair Pike discusses how his team dated the disk, and whether Neanderthals could have painted it.

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IRA FLATOW, HOST:

This is SCIENCE FRIDAY; I'm Ira Flatow. Imagine a cargo plane dropping you off in a remote corner of the African jungle. The area you've just entered is under quarantine for a mysterious plague. Nobody knows how many people it has killed, but all who have fallen sick die within eight days, first high fever, headache, hallucinations, then usually bleeding to death.

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IRA FLATOW, HOST:

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan in Washington. After 32 years, the mystery has been solved. A coroner in the fourth inquest into the death of an Australian couple's baby declared the dingo did in fact take the baby. You know a bit about the case if you saw the Meryl Streep movie "Cry in the Dark."

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NEAL CONAN, HOST:

NPR's Pentagon correspondent, Tom Bowman, recently spent several weeks in Afghanistan following the last major combat offensive in the region. He and Andrew Exum of the Center for a New American Security talk about the situation on the ground just two years shy of the withdrawal deadline.

Egypt's Supreme Court declared recent elections illegal and ordered the Islamist-led parliament dissolved. The decision, by judges who were appointed by former dictator Hosni Mubarak, escalates the power struggle between the military government and the Muslim Brotherhood and other Islamists.

In a recent column, Ben Zimmer wrote, "Is there any word currently more contested in our culture than marriage?" As the debate about same-sex marriage continues, he examines the definition of marriage and the ways advocates and opponents of same-sex unions use language to advance their positions.