Talk of the Nation on WAMC HD2

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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.

Scientists at the University of Leeds are exploring ways to use magnetic bacteria to build biocomputers of the future. Meanwhile, another group of researchers, reporting in Science, write that they have unearthed deep-sea microbe that live off nutrients from the dinosaur age.

The Supreme Court is expected to rule on the controversial health care law in June. Many legal analysts expect the Justices to strike down parts of the law in a split, 5-4 decision, prompting a debate among legal scholars about what the decision will reveal about the politics of the High Court.

For years, the goal of surgery was to save as much of the amputee's limb as possible. Now, many are opting to amputate more extensively — having healthy parts of their limbs removed — in order to regain more normal, pain-free function with a prosthetic limb.

Transcript

NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan.

Relations continue to deteriorate between the United States and Pakistan, a country some described as a nominal ally. A Senate panel voted last week to reduce aid to Islamabad after a doctor who helped the CIA find Osama bin Laden was sentenced to 33 years in prison. And Pakistan continues to refuse to reopen U.S. supply lines into Afghanistan that it cut in response to American air strikes that killed 24 Pakistani soldiers last year.

Legendary folk singer and guitarist Doc Watson died on Tuesday, at the age of 89. Long considered one of America's greatest musicians, Watson was blind from the age of one, and taught himself to play music. NPR's Neal Conan remembers the life and career of Doc Watson with a song: "Tennessee Stud."

Transcript

NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan.

Steven Rattner now finds himself in the middle of two debates that will be key parts of this presidential campaign. President Obama's former car czar dismissed Republican presidential candidate Mitt Romney's claims about the auto bailout as complete fantasy. But Rattner is also among the Democrats who criticized the president's attacks against Romney and private equity as unfair.