Science

Science
1:41 pm
Mon October 14, 2013

Are Iran's Centrifuges Just Few Turns From A Nuclear Bomb?

Former Iranian President Mahmoud Ahmadinejad inspects the Natanz nuclear plant in central Iran on March 8, 2007. The tall cylinders are centrifuges for enriching uranium.
EPA/Landov

Originally published on Mon October 14, 2013 5:19 pm

Tuesday in Geneva, negotiators from six nations will sit down to talks with Iran over that country's nuclear program. At the heart of the negotiations are Iran's centrifuges: machines that can be used to enrich uranium for use in nuclear power plants, or for use in a bomb. This double role of centrifuges has negotiators in a bind.

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Research News
1:16 pm
Mon October 14, 2013

Trapped In A Fossil: Remnants Of A 46-Million-Year-Old Meal

A very old squished mosquito found in fossilized rock from Montana. Analysis of the insect's gut revealed telltale chemicals found in blood.
PNAS

Originally published on Mon October 14, 2013 5:19 pm

Scientists who study why species vanish are increasingly looking for ancient DNA. They find it easily enough in the movies; remember the mosquito blood in Jurassic Park that contained dinosaur DNA from the bug's last bite? But in real life, scientists haven't turned up multi-million-year-old DNA in any useable form.

Fortunately, a team at the Smithsonian Institution has now found something unique in a 46-million-year-old, fossilized mosquito — not DNA, but the chemical remains of the insect's last bloody meal.

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Krulwich Wonders...
6:43 am
Mon October 14, 2013

Watch Daniela. She's Up To Something Big

YouTube

Originally published on Tue October 15, 2013 10:03 am

Somebody should be watching Daniela Rus and her pals at MIT, because what they are doing is so crazy, so potentially important, people need to know about them. Not because they're dangerous, but because what they're doing might be changing the world and nobody should change the world without the world noticing.

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Animals
5:12 pm
Sun October 13, 2013

Birds Of A Feather Spy Together

AFP/ Getty Images

The scene: Two men in a chilly Soviet apartment converse in whispers, careful to protect their plans from enemy ears. Little do they know, the benign-looking raven outside their window is not merely a city scavenger hunting for food, but a spy for the U.S. government.

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Science
6:49 am
Sun October 13, 2013

Bill Nye Returns To Science Entertainment

Originally published on Sun October 13, 2013 7:47 am

Bill Nye, who gained a cult following as the Science Guy, has a new web series, a collaboration with NASA Why with Nye. He joins host Rachel Martin to talk about the new series.

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