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
Aug 21, 2014 11:30 AM ET
An American doctor and aid worker who contracted Ebola in Liberia were set to leave an Atlanta hospital on Thursday after a full recovery.
Aug 21, 2014 02:00 PM ET
The U.S. West is recoiling like a spring due to water loss from a severe drought, reports a new study.
Aug 21, 2014 06:30 AM ET
The chocolate spread is taking a beating due to bad news about this year's hazelnut shortage.
Aug 18, 2014 01:00 PM ET
A gorge formed by an earthquake and a violent river arrived quickly and could be gone in 50 years.
Aug 15, 2014 01:45 PM ET
The glaciers on the Tibetan plateau -- which provide freshwater for 2 billion people -- are warmer than in the past two millennia.
Aug 14, 2014 12:45 AM ET
Bamboo -- technically a grass not a tree -- grows fast, captures carbon and can be made into pale ale.
Aug 13, 2014 12:37 PM ET
In 36 city programs there have been zero bike share-related deaths since the first bikes hit the streets in 2007.
Aug 8, 2014 02:00 PM ET
The Atlantic is likely to see fewer-than-average named storms and hurricanes -- and possibly no major hurricanes this year.
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