Talk of the Nation on WKNO HD-2

When Americans want to be a part of the national conversation, they turn to Talk of the Nation, NPR's midday news-talk show.

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Space
12:00 pm
Fri February 3, 2012

IBEX Spacecraft Intercepts 'Alien' Particles

As it circles Earth, NASA's Interstellar Boundary Explorer hunts for particles streaming in from beyond the solar system. It has intercepted hydrogen, helium, neon and oxygen atoms. IBEX principal investigator Dave McComas discusses how the abundance of those atoms hints at the Milky Way's composition.

NPR Story
12:00 pm
Fri February 3, 2012

Blue Marble: The Making Of

NASA's iconic images of Earth from space date back to the late 1960s--with snapshots taken by Apollo astronauts. The modern "blue marble" images are captured by machines and they're not photos. They're datasets collected by instruments aboard satellites and then translated into imagery on the ground.

NPR Story
12:00 pm
Fri February 3, 2012

Drone Technology Reaches New Heights

Unmanned Aerial Vehicles (UAVs) are replacing boots on the ground in some wars. Commercially, UAVs are being used for things like crop-dusting and flood mapping. Experts discuss advances in drone technology and how to address legal and privacy concerns that stem from their use.

NPR Story
12:00 pm
Fri February 3, 2012

Listening In On The Brain To Decode Speech

Originally published on Fri February 3, 2012 1:00 pm

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IRA FLATOW, HOST:

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NPR Story
12:00 pm
Fri February 3, 2012

What Grosses You Out?

Originally published on Fri February 3, 2012 12:38 pm

Transcript

IRA FLATOW, HOST:

This is SCIENCE FRIDAY. I'm Ira Flatow. What grosses you out, the sight of maggots squirming on a rotten piece of meat? How about a cockroach running around your spice cabinet when you turn the lights on at night? How about eating strange organ meat like sweetbreads, pancreas. Maybe just a doorknob is enough to give you the chills, touched by so many hands, or a toilet seat touched by - well, you know, there must be so many germs, right.

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