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How do volcanos produce lightning?
Scientists are using technology that can peer inside a volcano's ash plume to understand how volcanic lightning is formed.
March 24, 2014
Ocean wave currents in the search for Malaysia Air Flight 370
We've all seen satellite images of possible floating debris from the missing jet. Why can't we just fly to that spot and find it? The answer is ocean currents.
March 23, 2014
Video: Are we loving manatees to death?
Manatee season at the Crystal River National Wildlife Refuge in Florida is November 1 to March 31. You can almost imagine the manatees breathing a sigh of relief.
March 21, 2014
Some perspective on winter 2014
U.S. winter of 2013-14 was only 1°F below average, but it followed two warmer-than-average winters. Did that fact make this winter seem colder than it was?
March 20, 2014
Before and after images of enormous landslide in Alaska
The landslide on the slopes of Mount La Perouse in Alaska on February 16, 2014 is thought to be the largest known natural landslide on Earth since 2010.
March 18, 2014
Overgrazing by deer is changing the face of U.S. forests
Deer's natural predators, wolves, have been exterminated. Today, overgrazing by deer in hugely multiplied numbers is affecting forests.
March 18, 2014
Do elephants make alarm call that means ‘humans!’?
A new study suggests that elephants make a specific rumble in response to the danger of humans that's distinct from calls warning of bees or other threats.
March 17, 2014
Look at the March full moon!
Images of the March 16 full moon from all around the world
March 17, 2014
This rough diamond hints at oceans’ worth of water inside Earth
A $20 diamond provides evidence of a 'wet zone' deep below Earth's surface where vast volumes of water are locked up inside minerals.
March 14, 2014
Five awesome BIG bee faces
Get face-to-face with these awesome bees. USGS macro photos of bees and insects.
March 11, 2014
