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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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3:32pm

Thu October 9, 2014
Planet Money

How College Students Battled Textbook Publishers To A Draw, In 3 Graphs

Originally published on Tue October 14, 2014 12:18 pm

Quoctrung Bui/NPR

College textbooks are expensive. You probably already know this. A new biology or economics book can cost $300.

And prices have been soaring, doubling over the past decade, growing faster than the price of housing, cars, even health care.

But, surprisingly, the amount students actually spend on textbooks has not been rising. In fact, the best data we could find on this shows students have been spending a bit less over time.

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2:36am

Thu August 21, 2014
Planet Money

Typewriters, Underwater Hotels And Picturephones: The Future, As Seen From 1964

Originally published on Fri August 22, 2014 3:56 pm

General Motors

The 1964 World's Fair showcased jet packs and new miracles of science. There was an entire house made of Formica. You could wipe it clean with a sponge!

The people who put the fair together tried to imagine how the future would look. Here are a few predictions, and how they actually turned out.

1. We had picture phones back then?

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6:02am

Fri August 1, 2014
Business

Everyone Goes To The Store To Get Milk. So Why's It Way In The Back?

Originally published on Fri August 1, 2014 6:14 am

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

Transcript

RENEE MONTAGNE, HOST:

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4:12am

Thu June 12, 2014
Planet Money

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.

5:08pm

Thu June 5, 2014
Planet Money

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

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

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

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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