Science & Technology

The Salt
2:16 pm
Fri November 22, 2013

Why Slather This Spinach Field In Poop? It's All For Science

University of California, Davis food safety field scientists Michele Jay-Russell, Paula Kahn-Rivadeneira, Anna Zwieniecka, Navreen Pandher and Peiman Aminabadi celebrate the first day of their experiment testing E. coli survival in soil.
Courtesy of Fhon Saharuetai

Originally published on Sat November 23, 2013 4:06 pm

Why are these scientists in hazmat suits smiling? They're standing in a field that they are about to spread with raw manure — four different kinds of raw manure, to be exact.

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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.

Space
12:06 pm
Fri November 22, 2013

Budget Cuts Leave Curiosity and Cassini in Limbo

Transcript

IRA FLATOW, HOST:

This is SCIENCE FRIDAY. I'm Ira Flatow.

UNIDENTIFIED MAN: Touchdown confirmed. We're safe on Mars.

(SOUNDBITE OF CHEERING)

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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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All Tech Considered
11:05 am
Fri November 22, 2013

Tech Week That Was: Video Gaming, Bitcoin And Landlines

There's a growing market for digital currencies like Bitcoin. A Sydney pub, seen here, is taking Bitcoins as payment for drinks.
Cameron Spencer Getty Images

Wow, suddenly we're at the end of the week already. If you missed the conversations about digital life and technology in the headlines and on NPR, here's a look back.

ICYMI

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Shots - Health News
10:08 am
Fri November 22, 2013

Insomnia Could Raise Risk Of Heart Disease And Death In Men

There's more than one reason to aim for a good night's sleep.
Charles Taylor iStockphoto.com

Originally published on Fri November 22, 2013 1:49 pm

There are lots of reasons to aim for a good night's sleep. Sleep helps us retain our memories. It helps our brains get rid of harmful toxins. But sleep might also play a role in heart disease.

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Planet Money
2:00 am
Fri November 22, 2013

A Bitcoin Insider On Crime, Congress And Satoshi Nakamoto

This is not a bitcoin.
eagleapex's posterous Flickr

Originally published on Fri November 22, 2013 10:48 am

For more on what Bitcoin is and how it works, see our story "What Is Bitcoin?"

Gavin Andresen is chief scientist at the Bitcoin Foundation. I first talked with him about Bitcoin, the virtual currency, back in 2011. I checked back in with him this week, because so much has been going on with Bitcoin lately.

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