Talk of the Nation on UPR Too

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NEAL CONAN, HOST:

NPR's Neal Conan reads from listener feedback on previous Talk of the Nation programs, including shows on summer jobs for teens, the complications of claiming Native American ancestry and blues guitarist Buddy Guy.

In the Washington Post, Isabel Sawhill argued then-Vice President Dan Quayle was right when he blasted Murphy Brown for encouraging single motherhood. Sawhill, of the Brookings Institution, and Philip Cohen, sociology professor at the University of Maryland, talk about single motherhood.

Exits are ubiquitous; long or short, grand or modest, we've all left something, from resigning from a long-held position to waving goodbye to a friend after lunch. In Exit: The Endings That Set Us Free, author Sara Lawrence-Lightfoot explores endings through the stories of people in transition.

Too often "we tend to ignore and diminish endings," she writes, while celebrating beginnings. Instead, we should "develop the habit of marking the small goodbyes to help us master the larger farewells."

Transcript

NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan in Washington. Violence in Syria continues to spiral with no end in sight. A U.N.-sponsored ceasefire plan lays in tatters with no clear alternative. The government shows no signs of giving in, and while the Syrian National Council elected a new leader over the weekend, opposition exiles remain weak and divided, and any number of groups operate inside the country, organizing everything from protests to attacks on government forces.

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NEAL CONAN, HOST:

Facebook has historically restricted access for kids under 13 years old, but that may be changing. Many kids already use the network, with or without their parents' consent, and many parents have raised concerned about privacy, safety and advertising.

Alan Alda challenged scientists to explain what a flame is to an 11-year-old. Three months and more than 800 entries later he is back with the winner of the contest. Ira Flatow and guests discuss the winning entry and why the contest was an effective exercise in science communication.

Reporting in the journal Nature Communications,researchers write that they were able to track down the cells causing clogged arteries. Dr. Jill Helms, co-author on the study, discusses why stem cells are to blame and how the study could lead to more effective treatments.

Russian antivirus firm Kaspersky Lab has discovered a piece of malware infecting computers mostly in the Middle East. Flame eavesdrops on conversations, takes screenshots and steals data from infected computers without being detected. Wired's Kim Zetter discusses how the malicious code works.