Talk of the Nation on KCCU

Mental health professionals are faced with difficult decisions about when to warn about potential threats to public safety. State laws vary: Some require mental health workers to report a perceived threat, others ease confidentiality requirements, and some states have no established duty to warn.

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IRA FLATOW, HOST:

Up next, our monthly meeting of the SCIENCE FRIDAY book club. Flora Lichtman, our multimedia editor is going to stay here with us. And joining us now also is Annette Heist, our senior producer. Did you get your reading done? (Unintelligible) The book, the book, Annette, you chose, it was "Monkey Mind," right? "Memoir of Anxiety" by Daniel Smith. Tell us a little bit about why you chose that book. What sang to you when you chose it?

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IRA FLATOW, HOST:

Speaking of Mars, Flora Lichtman is here with our Video Pick of the Week.

FLORA LICHTMAN, BYLINE: Speaking of Mars.

(LAUGHTER)

LICHTMAN: Speaking of Martians.

(LAUGHTER)

FLATOW: Well, I said it because you have a great Mars-related video.

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IRA FLATOW, HOST:

This is SCIENCE FRIDAY, I'm Ira Flatow. Unless you've been hiding under a rock on Mars, you know that last weekend NASA's Mars Science Laboratory safely made its way down to the surface of the Red Planet and now the Rover Curiosity sits, set up camp in Gale Crater.

So what'll it do now that it's there? Joining me now to talk about it is John Grotzinger. He's project scientist for the mission, professor of geology at Caltech. He joins me from the JPL Campus in Pasadena. Welcome back to the program.

Science fiction hero Tom Swift has amazed children with his incredible inventions since combustion and electricity drove the nation into a new era. These stories captured a cultural love of science and inspired such famous figures as Steve Wozniak and Isaac Asimov — all while predicting new technologies decades in advance.