July 8, 2019
-Harvard Business Review
April 17, 2019
-The Washington Post
November 3, 2018
-The Washington Post
July 9, 2018
-The Washington Post
May 1, 2018
-Scientific American
April 12, 2018
-The Washington Post
March 13, 2018
-Scientific American
February 12, 2018
-The Washington Post
January 1, 2018
-The Washington Post
October 27, 2017
-The Washington Post
September 25, 2017
-The Washington Post
August 23, 2017
-The Washington Post
August 11, 2017
-The Washington Post
July 21, 2017
-The Washington Post
February 7, 2017
-Scientific American
July 26, 2016
-Money
July 19, 2016
-Scientific American
May 2015
-Harvard Business Review
April 14, 2015
-Scientific American
May 9, 2014
- The New York Times