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.

Pages

1:53pm

Wed December 11, 2013
Planet Money

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

Originally published on Wed December 11, 2013 10:46 pm

Tshirt
Quoctrung Bui

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:

Read more

1:00am

Fri November 22, 2013
Planet Money

A Bitcoin Insider On Crime, Congress And Satoshi Nakamoto

Originally published on Fri November 22, 2013 9:48 am

This is not a bitcoin.
eagleapex's posterous Flickr

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.

Read more

1:06am

Fri November 15, 2013
Planet Money

What's A Bubble?

Originally published on Sun November 17, 2013 11:58 am

Robert Shiller and Eugene Fama shared this year's Nobel Memorial Prize.
AP

Robert Shiller was surprised when he got the call telling him he'd won the Nobel Memorial Prize in economics — surprised that he'd won (of course), but also surprised that he was sharing the award with Eugene Fama.

"He and I seem to have very different views," Shiller told me. "It's like we're different religions."

In particular, they have very different views about economic bubbles.

"The word 'bubble' drives me nuts, frankly," Fama told me.

Read more
Tags: 

1:29am

Fri October 25, 2013
Planet Money

What Happens When You Just Give Money To Poor People?

Originally published on Fri October 25, 2013 8:34 am

Bernard Omondi got $1,000 from GiveDirectly.
Jacob Goldstein NPR

1:00am

Thu October 10, 2013
Planet Money

What A U.S. Default Would Mean For Pensions, China And Social Security

Originally published on Thu October 10, 2013 10:38 am

iStockphoto.com

What would happen if Congress doesn't raise the debt ceiling and the U.S. defaults on its debt later this month? The broad economic implications are unpredictable, but a default could cause huge trouble for the global economy.

But whatever happens to the global economy, one thing is clear: People all over the world who have loaned the U.S. government money won't get paid on time.

Read more

Pages