Coastal development, farm run-off and poor water quality threaten the largest coral reef system in the world.
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PHOTO OF THE WEEK
Photo of the Week — Picturesque Parking
The ground transportation center at Memphis International Airport reflects a modern approach to parking.
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PHOTO OF THE WEEK
Photo of the Week -- Predicting Floods From Space
Researchers use data from NASA's twin GRACE satellites to measure how much water was soaking the ground before the 2011 Missouri River floods, and could strongly predicted the flood five months in advance.
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PHOTO OF THE WEEK
Photo of the Week -- German Researchers Create Elastic 'Invisibility Cloak'
Previously developed invisibility cloaks could hide objects from light, heat or sound -- but not touch. Researchers at Karlsruhe Institute of Technology have now changed that.
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PHOTO OF THE WEEK
Photo of the Week -- Ice Sculptures that Rival Skyscrapers Found Beneath Greenland Ice Sheet
These skyscraper-sized blocks are formed as water beneath the ice refreezes and warps the surrounding ice upward.
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PHOTO OF THE WEEK
Photo of the Week -- Two Solar Flares Erupt Within Two Hours
On June 10, NASA's Solar Dynamics Observatory captured two solar flares within 75 minutes of each other.
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