Talk of the Nation on KCCU-HD2

President Obama will be officially sworn in and begin his second term as the 44th President of the United States on Jan. 20. As Washington gears up for Inauguration Day, people across the country and the world are reflecting on what was gained and lost during Obama's first term.

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IRA FLATOW, HOST:

Up next, Flora Lichtman is here with our Video Pick of the Week. Hi, Flora.

FLORA LICHTMAN, BYLINE: Hi, Ira.

FLATOW: Now, we've got some digital research on this one. The other - the classic definition of digits, which...

LICHTMAN: The analog digital, your fingers.

FLATOW: Your fingers. That's what it means in Latin or something, right?

According to the EPA, more than 2.5 million tons of electronic waste, or e-waste, is produced each year in the U.S. Derek Markham, a contributing writer for Treehugger.com, discusses the global impacts, and why you should think twice before discarding your old cell phone.

What's it like to live--and cook--on Mars? To find out, researchers are simulating Mars missions in Russia, and on the slopes of a Hawaiian volcano. Kim Binsted talks about her study to whip up tastier space food. Porcini mushroom risotto, anyone? And sleep expert Charles Czeisler talks about how humans adapt to the 24.65-hour Martian day.

Transcript

CELESTE HEADLEE, HOST: