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Multimedia Gallery


Welcome to the National Science Foundation's Multimedia Gallery
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Showing: 8,191-8,220 of 16,080

Photo of a lone polar bear on Arctic ice.   Image Last of the polar bears? According to new research, the answer may be no.
Updated December 15, 2010
Photo of rounded pieces of Arctic ice.   Image Arctic "pancake" ice consists of round pieces ranging from inches to feet in diameter.
Updated December 15, 2010
Photo of two male polar bears sparing near Hudson Bay.   Image Two male polar bears spar near Hudson Bay. The bears need ice there to reach their seal prey.
Updated December 15, 2010
Photo of sea-ice and a cloudy sky.   Image Greenhouse gas mitigation can reduce the loss of Arctic sea-ice--and polar bears.
Updated December 15, 2010
Photo of a female polar bear walkin along the shore of Canada's Hudson Bay, waiting for ice to form.   Image A female polar bear walks along the shore of Canada's Hudson Bay, waiting for ice to form.
Updated December 15, 2010
Photo of the cycad Zamia furfuracea showing bright red seeds erupting from the cones.   Image A non-flowering seed plant similar to this Zamia may have produced Earth's first flower.
Updated December 13, 2010
Photo of an avocado flower.   Image Avocado flowers are said to essentially be "genetic fossils."
Updated December 13, 2010
Graphic showing the ABCE model of floral organ identity.   Image The ABCE model of floral organ identity.
Updated December 13, 2010
Photo of water lilies in flower.   Image A flower with genetic programming similar to a water lily may have been the very first flower.
Updated December 13, 2010
Photo of a matchbox-sized sensor device that records disease-spreading interactions.   Image Matchbox-sized sensor devices called motes recorded disease-spreading interactions.
Updated December 13, 2010
Illustration showing how a flu virus transforms and spreads.   Image Antigenic shift: how a flu virus transforms and spreads.
Updated December 13, 2010
Illustration of the flu virus and its antibodies.   Image Graphic showing the flu virus and its antibodies.
Updated December 13, 2010
Photo of a man with a cold with a pile of tissues in front of him.   Image Stand back: if you're in a crowded room, you may soon be awash in viruses--and tissues.
Updated December 13, 2010
Cartoon entitled Foil the Flu depicting a man poking a needle into a virus.   Image Researchers are continually seeking new ways to foil flu and other infectious diseases.
Updated December 13, 2010
Photo of a woman blowing her nose into tissue.   Image Colds and flu spread like wildfire through groups of people, and through populations. Why?
Updated December 13, 2010
Photo of a mother holding a baby.   Image Study: Genetic testing of newborns creates ambiguity about whether infants truly have diseases.
Updated December 10, 2010
Photo 7 people--Jakub Szefer and Cheng Chen-Mou, and Cheng's research group.   Image Jakub Szefer and his host, Professor Cheng Chen-Mou, along with Cheng's research group, summer 2009.
Updated December 10, 2010
Photo of an iron furnace in Ligonier Valley, Pennsylvania.   Image Iron furnaces in Pennsylvania, like this one in Ligonier Valley, may have left a legacy in soils.
Updated December 10, 2010
Photo of students making observations on Shale Hills soils for an environmental geochemistry course.   Image Students make observations on Shale Hills soils for an environmental geochemistry course.
Updated December 10, 2010
Photo of a nest of instruments in the Shale Hills that collect fluids from the soil.   Image Instruments installed in "nests" throughout Shale Hills collect fluids from the soil.
Updated December 10, 2010
Photo of a precipitation collector, eddy flux tower measuring land-air interaction at Shale Hills.   Image Precipitation collector, eddy flux tower measure land-air interaction at Shale Hills.
Updated December 10, 2010
Photo of scientists Elizabeth Herndon and Danielle Andrews collecting samples.   Image Shale Hills Observatory scientists Elizabeth Herndon and Danielle Andrews collect samples.
Updated December 10, 2010
Photo of fall leaves at the Susquehanna Shale Hills Observatory.   Image Fall leaves at the Susquehanna Shale Hills Observatory, one of six such NSF observatories.
Updated December 10, 2010
Showing: 8,191-8,220 of 16,080


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