Contributor

Discovery News' Editor Paul Heltzel most recently served as managing editor for Daily Interactive, a publisher of news apps. Former stints include National Geographic and NPR, where he edited and produced stories for the Web, and PC World magazine, where he covered technology news. Heltzel has contributed articles to the Los Angeles Times, MIT Technology Review, The Washington Post, CNN.com, and The New York Times on the Web. He's published five books on computer technology, science and health. He lives on the Rappahannock River in Virginia with his wife Deborah and their three kids.

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Author Stories
Apr 12, 2014 12:30 PM ET
Living harvestmen, more commonly called daddy longlegs, have one pair of eyes. But that wasn't the case 304 million years ago.
Apr 14, 2014 06:00 AM ET
Check out these flowering plants that can help give bees a boost.
Apr 7, 2014 01:40 PM ET
When adventurers need rescuing, who pays the costs of search and rescue?
Apr 2, 2014 05:30 PM ET
Shoppers are more likely to purchase a cereal that makes eye contact, find researchers at Cornell's Food and Brand Lab.
Apr 1, 2014 06:00 PM ET
The National Zoo's 7-month-old panda cub, Bao Bao, makes her first trip outside with mother Mei Xiang.
Mar 28, 2014 02:08 PM ET
Millions will turn off the lights on Saturday, March 29, as part of the the eighth annual Earth hour. Continue reading →
Mar 25, 2014 06:00 PM ET
A satellite launched by NASA and Japan's space agency can for the first time can detect light rain and snowfall from space.
Mar 20, 2014 01:05 PM ET
We open our eyes wide or narrow them to help identify danger, an adaptation that affects our perception of reality. Continue reading →
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