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Digital Life
12:06 pm
Fri November 22, 2013

Stores Are Snooping Into Your Smartphone

Retailers have used various techniques to analyze in-store buying behavior, such as surveys, video surveillance, and buyer reward programs. Some stores have been tapping into the technology in smartphones to track shoppers' actions. New York Times reporter Quentin Hardy discusses how they're doing this and what information they can gather.

Food
12:06 pm
Fri November 22, 2013

A Handful of Nuts, a Lifetime of Benefits?

Transcript

IRA FLATOW, HOST:

This is SCIENCE FRIDAY. I'm Ira Flatow. A growing body of evidence has been hinting that nuts - nuts - are good for us. The popular Mediterranean diet emphasizes nuts but, you know, most Americans only eat nuts on occasion. And I'm talking about, oh, that's less than once a week, except for me. I eat them every day, but that's another story.

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Space
12:06 pm
Fri November 22, 2013

ISON: The Comet of the Century... or Is It?

When astronomers spotted Comet ISON in 2012, some christened it the "Comet of the Century." It initially failed to live up to the hype. But this month, ISON blazed brighter and sprouted several tails. Astronomers like Andrew Fraknoi are following the comet as it scrapes past the sun, where it could be destroyed--or emerge, even more spectacular than before.

Science
12:06 pm
Fri November 22, 2013

When Water Flows Uphill

In the Leidenfrost Effect, a water droplet will float on a layer of its own vapor if heated to a certain temperature. This common cooking phenomenon takes center stage in a series of playful experiments by physicists at England's University of Bath, who discovered new and fun means to manipulate the movement of water.

History
12:05 pm
Fri November 22, 2013

Using Modern Ballistics to Crack 'Cold Case JFK'

Transcript

IRA FLATOW, HOST:

This is SCIENCE FRIDAY. I'm Ira Flatow. Those of us of a certain age can remember exactly what we were doing on a Friday this hour 50 years ago when we heard the news. President Kennedy's assassination horrified and transfixed the nation. It was murder in plain sight, seemingly the easiest kind of crime to solve. But 50 years later the basic facts of the case are still debated.

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