John Dvorak
John Dvorak

John Dvorak, Ph.D., has worked on volcanoes and earthquakes for the U.S. Geological Survey.

Technology
April 21 2014 2:07 PMWill We Ever Be Able to Predict Earthquakes?Once, seismologists correctly predicted a major quake. They were only 12 years off on the timing.
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Lexicon Valley
March 31 2015 9:17 AM The Redline of March Overheard on email: Slates copy desk rounds up the month’s style and grammar rulings.