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14 August 2013
Atmospheric physicist Nick Gorkavyi missed witnessing an event of the century last winter when a meteor exploded over his hometown of Chelyabinsk, Russia. From Greenbelt, Md., however, NASA’s Gorkavyi and colleagues witnessed a never-before-seen view of the atmospheric aftermath of the explosion.
13 May 2013
The surface waters of a major portion of the Arctic Ocean are becoming saturated with carbon dioxide sooner than many scientists expected, all but halting the watery region’s ability to sop up more of the greenhouse gas from Earth’s atmosphere, new research finds.
14 March 2013
The famous “kite with key” experiment Ben Franklin conducted in 1752 is more than just a legend for lightning researchers around the world—it’s a procedure. Sure, the kite has been replaced by a rocket, and the string-with-key contraption by a spool of wire, but the intent is still the same—to better understand nature’s flashes of electricity. Recently, an unusual rocket-triggered lightning strike was caught on video by lightning researchers in Florida, and its curious course from cloud to ground is described in a new scientific paper.
5 October 2012
Meteorologists have documented upward lightning, which travels upward from the ground to the clouds, since 1939, but they remain puzzled about how it happens. Now, one research team’s analysis of high-speed video taken in Rapid City, South Dakota, captures a possible clue: a downward flash that preceded most upward lightning filmed by the observers.