Science & Technology

Wildlife ecologist Danielle Garneau is making a habit of tracking down roadkill. She actually seeks it out, hunting for clues about larger ecological trends. Garneau records it all on a free smartphone app, EpiCollect.

Standing by the side of the road in upstate New York, phone in hand, Garneau peers down at a dead, bloody and smelly skunk.

First, it was Egypt. At the height of the protest against the Mubarak regime in 2011, authorities shut the Internet down.

This week, it was Syria. Just as rebel forces there were making big gains, someone pulled the plug on the Internet, and Syria went dark.

Service was restored on Saturday, but Andrew McLaughlin, former White House adviser on technology policy, expects we'll see more of this.

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MELISSA BLOCK, HOST:

From NPR News, this is ALL THINGS CONSIDERED. I'm Melissa Block.

ROBERT SIEGEL, HOST:

And I'm Robert Siegel. We're going back in time now, millions of years or possibly tens of millions of years. We're talking about the age of the Grand Canyon and a new research paper that's generating a lot of impassioned debate.

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IRA FLATOW, HOST:

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

FLORA LICHTMAN, BYLINE: Hi, Ira. We're going to have to switch gears here - big time.

(LAUGHTER)

LICHTMAN: The Video Pick of the Week is not particularly about a healthy thing. This is about holiday decadence. So...

FLATOW: Ooh.

LICHTMAN: ...change your - turn your monitor around.

FLATOW: Deep breath - deep, cleansing breath.

LICHTMAN: Yeah, exactly. Cleansing breath. Exactly.

(LAUGHTER)

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IRA FLATOW, HOST:

This is SCIENCE FRIDAY, I'm Ira Flatow. Now that President Obama's been re-elected, it's clear that at least the president won't try to repeal Obamacare. But with all the political mud-slinging about the Affordable Care Act, the details sort of got lost, didn't they? Do you actually know what the law does for you, and just as importantly what it doesn't do, what changes to your health care kick in on January 1, what major changes kick in in 2014 and thereafter?

This month the book club takes to the skies with the Tom Wolfe classic The Right Stuff, a behind-the-curtain look at the 20th century's most famous test pilots--including Chuck Yeager. Yeager joins the club to talk about his long career, and what he considers "the right stuff."

Photographer James Balog on Climate Change and 'Chasing Ice' — In the new documentary "Chasing Ice," photographer James Balog attempts to capture how the world's glaciers are being affected by climate change. As the film debuts across the country, Balog discusses the project, and what needs to be done to save Earth's shrinking glaciers.

Photos of athletes in their moment of victory or defeat usually show faces contorted with intense emotion. But a new study suggests that people actually don't use those kinds of extreme facial expressions to judge how a person is feeling.

Instead, surprisingly, people rely on body cues.

Hillel Aviezer, a psychology researcher at Hebrew University of Jerusalem in Israel, wanted to see how accurately people can read intense, real-world facial expressions — instead of the standardized, posed images of facial expressions that are usually used in lab tests.