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Welcome to the National Science Foundation's Multimedia Gallery
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Showing: 121-150 of 17,590

Mid-summer snowfields in the mountains of Washington State; most snow has melted.   Image Mid-summer snowfields in the mountains of Washington State; most snow has melted.
Updated July 26, 2016
Colorado's San Juan Mountains covered in late spring snow. Snowmelt timing is shifting here.   Image Colorado's San Juan Mountains covered in late spring snow. Snowmelt timing is shifting here.
Updated July 26, 2016
The Collegiate Peaks viewed from the Arkansas River Valley in Colorado.   Image The Collegiate Peaks viewed from the Arkansas River Valley in Colorado.
Updated July 26, 2016
The Yellowstone River in Yellowstone National Park after a late spring snowstorm.   Image The Yellowstone River in Yellowstone National Park after a late spring snowstorm.
Updated July 26, 2016
When they're mature, sunflowers stop tracking the sun and instead face solely eastward.   Image When they're mature, sunflowers stop tracking the sun and instead face solely eastward.
Updated July 19, 2016
Honeybees visit a mature sunflower. Here, the bees are collecting nectar rather than pollen.   Image Honeybees visit a mature sunflower. Here, the bees are collecting nectar rather than pollen.
Updated July 19, 2016
A sunflower just before maturation. Soon the yellow ray petals will unfold.   Image A sunflower just before maturation. Soon the yellow ray petals will unfold.
Updated July 19, 2016
Sunflower being visited by a native bee, the   Image Sunflower being visited by a native bee, the "ultra green sweat bee."
Updated July 19, 2016
This mature sunflower was imaged using forward-looking infrared (FLIR) imaging; bees are white.   Image This mature sunflower was imaged using forward-looking infrared (FLIR) imaging; bees are white.
Updated July 19, 2016
Young sunflowers are good solar-trackers, following the sun by day and re-orienting at night.   Image Young sunflowers are good solar-trackers, following the sun by day and re-orienting at night.
Updated July 19, 2016
Two men and equipment at a sewer opening   Video Tech uses sound waves to find clogged city sewer pipes
Video type: Brightcove Video Cloud
Updated July 19, 2016
SacPeak Observatory   Image NSF seeks feedback on proposed changes to operations at Sacramento Peak Observatory.
Updated July 18, 2016
Farm fields in the Midwest often have tile drains under them; the drains are nutrient conduits.   Image Farm fields in the Midwest often have tile drains under them; the drains are nutrient conduits.
Updated July 15, 2016
Scientists affiliated with NSF's Intensively Managed Landscapes CZO track land-use changes.   Image Scientists affiliated with NSF's Intensively Managed Landscapes CZO track land-use changes.
Updated July 15, 2016
Where rock meets life: Researchers at NSF's Critical Zone Observatories study Earth's surface.   Image Where rock meets life: Researchers at NSF's Critical Zone Observatories study Earth's surface.
Updated July 15, 2016
Corn fields in Iowa: Site of NSF's Intensively Managed Landscapes Critical Zone Observatory (CZO).   Image Corn fields in Iowa: Site of NSF's Intensively Managed Landscapes Critical Zone Observatory (CZO).
Updated July 15, 2016
Scientists Dong Kook Woo (left) and Praveen Kumar study nutrients in corn productivity.   Image Scientists Dong Kook Woo (left) and Praveen Kumar study nutrients in corn productivity.
Updated July 15, 2016
The Midwest offers the most productive soils in the U.S. for corn and soybean crops.   Image The Midwest offers the most productive soils in the U.S. for corn and soybean crops.
Updated July 15, 2016
The University of Miami's 20-meter antenna   Image The University of Miami's 20-meter antenna, which was used for GOES-3 communciations.
Updated July 15, 2016
Loss of GOES-3 VHF signal as the satellite shut down on June 29, 2016   Image Loss of GOES-3 VHF signal as the satellite shut down on June 29, 2016.
Updated July 15, 2016
Showing: 121-150 of 17,590