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
4:12 am
Thu June 12, 2014

Volatility Index Indicates Wall Street Is Bored

Originally published on Thu June 12, 2014 8:40 am

An economic indicator commonly called the VIX, volatility index, is also known as the fear index. Whatever you call it, the index is hitting lows not seen since before the financial crisis.

Planet Money
5:08 pm
Thu June 5, 2014

Why A Pack Of Peanut Butter M&M's Weighs A Tiny Bit Less Than A Regular Pack

Peanut Butter M&M's are larger and more irregular than standard M&M's.
Quoctrung Bui/NPR

Originally published on Wed June 25, 2014 4:03 pm

The other day I went down to the little shop in the lobby of our building for a snack. I couldn't decide whether I wanted regular M&M's or Peanut Butter M&M's so I bought them both. On the way back upstairs to the office, I noticed something strange on the labels. Each had cost $1, but the pack of Peanut Butter M&M's was a very tiny bit lighter: 0.06 ounces lighter!

I wanted to know why, so I called a couple of experts and asked for their theories:

Theory No. 1: Peanut Butter M&M's are more expensive to make.

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Planet Money
4:05 am
Thu May 22, 2014

On The Internet, A Penny Is Nothing To Sneeze At

Originally published on Thu May 22, 2014 8:18 am

Copyright 2014 NPR. To see more, visit http://www.npr.org/.

Transcript

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Economy
3:44 pm
Fri May 2, 2014

In 4,000 Years, One Thing Hasn't Changed: It Takes Time To Buy Light

Originally published on Sat May 3, 2014 10:17 am

Transcript

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And now, 4,000 years of economic growth in seven minutes. This story comes, of course, from our Planet Money team. David Kestenbaum and Jacob Goldstein bring us the history of light and how the world came what it is today.

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Health Care
3:37 pm
Thu April 24, 2014

How One State Convinced Its 'Young Invincibles' To Get Health Insurance

A 2008 ad trying to convince uninsured Massachusetts residents to get signed up for health insurance.
Sawyer Miller Advertising

Originally published on Fri April 25, 2014 11:45 am

Buying insurance doesn't always feel like it makes economic sense, especially for young healthy people. So why are they still willing to pay?

Copyright 2014 NPR. To see more, visit http://www.npr.org/.

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