David Kestenbaum

David Kestenbaum is a correspondent for NPR, covering science, energy issues and, most recently, the global economy for NPR's multimedia project Planet Money. David has been a science correspondent for NPR since 1999. He came to journalism the usual way — by getting a Ph.D. in physics first.

In his years at NPR, David has covered science's discoveries and its darker side, including the Northeast blackout, the anthrax attacks and the collapse of the New Orleans levees. He has also reported on energy issues, particularly nuclear and climate change.

David has won awards from the American Association for the Advancement of Science, the American Physical Society and the Institute of Electrical and Electronics Engineers.

David worked briefly on the show This American Life, and set up a radio journalism program in Cambodia on a Fulbright fellowship. He also teaches a journalism class at Johns Hopkins University.

David holds a bachelor's of science degree in physics from Yale University and a doctorate in physics from Harvard University.

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Planet Money
4:59 am
Fri April 4, 2014

New Web Addresses Provide Alternatives To Crowded Domains

Originally published on Fri April 4, 2014 8:22 am

Transcript

STEVE INSKEEP, HOST:

On a Friday it's MORNING EDITION from NPR News. Good morning. I'm Steve Inskeep.

LINDA WERTHEIMER, HOST:

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Planet Money
5:41 pm
Thu March 6, 2014

Does Raising The Minimum Wage Kill Jobs?

Kenzo Tribouillard AFP/Getty Images

Originally published on Thu March 6, 2014 7:50 pm

President Obama has called for increasing the minimum wage, saying it will help some of the poorest Americans. Opponents argue that a higher minimum wage will lead employers to cut jobs.

Figuring out the effect of raising the minimum wage is tough. Ideally you'd like to compare one universe where the minimum was raised against an alternate universe where it remained fixed.

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Planet Money
3:33 am
Fri January 17, 2014

The Birth Of The Minimum Wage In America

Franklin D. Roosevelt Libarary

Originally published on Fri January 17, 2014 4:46 pm

In 1895, legislators in New York state decided to improve working conditions in what at the time could be a deadly profession: baking bread.

"Bakeries are actually extremely dangerous places to work," says Eric Rauchway, a historian at the University of California, Davis. "Because flour is such a fine particulate, if it gets to hang in the air it can catch fire and the whole room can go up in a sheet of flame."

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Planet Money
12:00 pm
Thu January 2, 2014

A Bet, Five Metals And The Future Of The Planet

James Cridland Flickr

Originally published on Wed January 8, 2014 11:24 am

This famous bet — between a biologist and an economist — was over population growth. It started three decades ago, but it helped set the tone for environmental debates that are still happening today.

The biologist at the heart of this bet was Paul Ehrlich at Stanford. He wrote a best-selling book in 1968 called The Population Bomb. It was so popular he appeared on The Tonight Show with Johnny Carson.

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Planet Money
2:44 pm
Wed December 11, 2013

We Found This 20-Year-Old T-Shirt In Kenya. The Internet Found The Original Owner

Tshirt
Quoctrung Bui

Originally published on Thu December 12, 2013 12:46 am

We recently published a story about how used clothes that get donated in the U.S. often wind up for sale in markets in Africa. As part of the story, we published some photos of used T-shirts we found in a couple of markets in Kenya.

One shirt in particular caught our eye:

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