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HEADLINE STORIES
  New research by NASA-supported scientists shows how atmospheric gravity waves, the kind we often see
Gravity Waves Make Tornadoes
New research by NASA-supported scientists shows how atmospheric gravity waves, the kind we often see rippling in clouds overhead, can hit a thunderstorm and turn it into a deadly tornado.
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  A cutting-edge laboratory has opened in Alabama. It's mission: to combat diseases ranging from asth
Radical New Lab Fights Disease Using Satellites
A cutting-edge laboratory has opened in Alabama. Its mission: to combat diseases ranging from asthma to malaria to stroke using data from NASA satellites. Space scientists and public health officials are working together to train the doctors of tomorrow in this far-out approach to medicine.
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  NASA is bringing high-tech satellite data and visualization tools to bear on the unique environmenta
SERVIR: NASA lends a helping hand in Central America
NASA is bringing high-tech satellite images and visualization tools to bear on the unique environmental problems of Central America.
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  From the deserts of the American southwest to the pine forests of the Deep South, drought-weary resi
Improving Drought Forecasts
From the deserts of the American southwest to the pine forests of the Deep South, drought-weary residents have one thing on their minds: "I wish it would rain!" Technically, what they should be wishing for is "more streamflow." Find out why in today's story.
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  NASA-supported scientists are working on a new device to help predict the sudden transformation of t
In the Blink of a Hurricane's Eye
NASA-supported scientists are working on a new device to help predict the sudden transformation of tropical storms to deadly hurricanes.
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  Last week, cameras in Iowa captured a giant atmospheric wave passing over Des Moines--see the movie
Giant Atmospheric Waves Sighted Over Iowa
Last week, cameras in Iowa captured a giant atmospheric wave passing over Des Moines--see the movie in today's story. Atmospheric scientists believe these waves, called undular bores, may be more common and important than previously thought.
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Earth Links
RECENT STORIES
  Noxious Lightning
Lightning is more than just heat and light: it's a chemical factory that produces a natural pollutant called "NOx" that can affect both local air quality and global climate. NASA scientists are developing new ways to monitor lightning NOx from Earth orbit.
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  Dusty Hurricanes
What happens to a hurricane when it gets hit by a dust storm? This is an important question because Atlantic hurricanes are born not far from the Sahara desert. To find the answer, NASA scientists recently flew into a dusty hurricane.
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  Mysteries of Rain and Snow
People encounter rain and snow every day, and scientists have studied precipitation for centuries, yet it's amazing how much we still don't know about water that falls from the sky.
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Curator: John M. Horack
Last Updated: March 19, 2008
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