Talk of the Nation

Guitar legend Buddy Guy has been called the bridge between the blues and rock 'n' roll, as well as one of the most influential blues musicians in the world. Guitar icons like Jimi Hendrix, Eric Clapton, Stevie Ray Vaughan and countless others use words like "legend," "master" and "greatest of all time" to describe him.

In his new memoir, When I Left Home, Guy describes what he calls his second birthday: the day he left his home of Louisiana for Chicago, the blues capital of the world.

A report by Northeastern University's Center for Labor Market Studies finds that less than 30 percent of U.S. teens had jobs in the summers of 2010 and 2011. Though the employment outlook is bleak, there are some strategies for navigating the summer job market.

Syrian President Bashar Assad denied responsibility for the massacre that left more than 100 people dead in Houla in May. Pressure mounts on the Obama administration to consider a more aggressive response to the violence that has plagued Syria for more than a year.

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NEAL CONAN, HOST:

A federal judge declared a mistrial in the campaign finance case against former Sen. John Edwards. Since the trial, numerous writers and columnists have considered what we've learned about the former presidential candidate, political campaigns and ourselves through the weeks of uncomfortable testimony.

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IRA FLATOW, HOST:

This is SCIENCE FRIDAY. I'm Ira Flatow. For the rest of the hour, a look at an extraordinary life and a heartbreaking loss. In his new memoir "Immortal Bird," Doron Weber takes us to the inner circle of his family, where we meet his son Damon, a smart, likeable, aspiring actor born with a congenital heart defect. At 16, Damon undergoes a heart transplant, and his short life ends not long after in the ICU of a hospital that, according to Doron, seemed to botch his care in multiple and unimaginable ways.

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IRA FLATOW, HOST:

This is SCIENCE FRIDAY. I'm Ira Flatow. If you have trouble sleeping, your doctor might send you to a sleep lab and spend $3,000 a night to chart your sleep cycle, or you could do the same thing at home with a commercially available headband, which wirelessly transmits your sleep data to your smartphone for under 100 bucks.

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IRA FLATOW, HOST:

And now for our Video Pick of the Week. Flora's still here and positioned perfectly to take us on a safari.

FLORA LICHTMAN, BYLINE: We're still on safari.

FLATOW: We're still on safari.

LICHTMAN: The safari continues, this time to slightly larger organisms. See if you can see with your naked eye, and maybe in your own backyard. These guys are glow-in-the-dark - I have you already, don't I?

FLATOW: Yeah.

LICHTMAN: Millipedes - which, I didn't know - let me - can I tell you the story of how this came about?

Reporting in Science, researchers write that a combination of therapies, willpower and chocolate helped rats with severe spinal cord injuries learn to walk and even run again. Neurobiologist Moses Chao, not affiliated with the study, discusses the rehab method and whether it could work in humans.

In Ignorance: How It Drives Science, neuroscientist Stuart Firestein writes that science is often like looking for a black cat in a dark room, and there may not be a cat in the room. Firestein discusses why the hit-or-miss process, the "not knowing" is the true engine of science.