Science

3:08pm

Fri November 22, 2013
The Salt

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

Originally published on Sat November 23, 2013 5:06 pm

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

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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1:06pm

Fri November 22, 2013
Food

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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1:06pm

Fri November 22, 2013
Space

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.

1:06pm

Fri November 22, 2013
Science

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.

1:06pm

Fri November 22, 2013
Space

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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1:06pm

Fri November 22, 2013
Digital Life

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.

1:05pm

Fri November 22, 2013
History

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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11:57am

Fri November 22, 2013
Shots - Health News

Insomnia Could Raise Risk Of Heart Disease And Death In Men

Originally published on Fri November 22, 2013 2:49 pm

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

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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11:46am

Fri November 22, 2013
13.7: Cosmos And Culture

Science Sees Its Own Reality In Life's Hall Of Mirrors

Swarms of locusts in Madagascar, or clouds of elementary particles, without sound, odor, flavor or color? Reality is harder to pin down than you first might think.
Bilal Tarabey AFP/Getty Images

The Bible says God created the heaven and earth. God made the great swarms of living creatures. God created us.

Science dismisses this story. It is a fairy tale. But science goes much farther. God is an illusion, yes. But so is the world we fancy that he created.

Swarms of living things? Human beings? Heaven and earth? None of this is real. Not really.

What there really is, for science, are only things made up of smaller things made up of smaller things made up of smaller things.

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6:11pm

Thu November 21, 2013
Science

'Ghost Particles' In Antarctica Offer Glimpse Of Deep Space

Originally published on Thu November 21, 2013 6:54 pm

The average temperature in winter is about -72 degrees Faharenheit. The IceCube Lab is illuminated in the moonlight.
Emanuel Jacobi NSF

A new kind of telescope buried deep beneath the ice of Antarctica has, for the first time, seen a signal from distant, violent events. In doing so, it is beginning to paint a picture of a part of our cosmos that has never been observed before.

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