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Walrus collect in groups around ice floes in the Arctic Image

Walrus collecting in groups around ice floes in Arctic
A polar bear on Arctic ice Image

A polar bear on the ice in the Arctic
Sunrise over the Arctic Image

Sunrise over the Arctic
Drilling platform on the ice cover of Lake El'gygytgyn Image

Drilling platform on ice cover of Lake El'gygytgyn
Drilling platform on ice cover of Lake El'gygytgyn at night Image

Drilling platform for Lake El'gygytgyn project at night
Panoramic view of drilling platform on the ice cover of Lake El'gygytgyn Image

Panoramic view of drilling platform for Lake El'gygytgyn project
Artificial ice pad for Lake El'gygytgyn project's drilling operations Image

Artificially thickening 100 meter ice pad
Red lights on South Pole Telescope cast a glow Image

Red lights cast a glow on South Pole Telescope
Scientists examine an ice core Image

Examining ice core from West Antarctic Ice Sheet Divide
harry s truman standing in front of microphones Audio

State of the Union Address Excerpt 1 -- January 4, 1950
harry s truman standing in front of microphones Audio

State of the Union Address Excerpt 2 -- January 4, 1950
Aerial view of several lakes around the Kangerlussuaq region of Greenland Image

Aerial view of several lakes around the Kangerlussuaq region of Greenland
Rufous hummingbird Image

Rufous hummingbird
Iceberg in Antarctica Image

Iceberg near Palmer Station in Antarctica
Discoveries and innovations supported by NSF that have transformed the way we live Image

NSF: transforming the world through science (Image 2)
Sunrise at instrumented NEON tower outside Barrow, Alaska Image

Sunrise at NEON tower in Alaska
Early morning at the Tutakoke River field camp Image

Early morning at the Tutakoke River field camp
lake and trees Video

NSF Science Now-Episode 52
<em>Aurora borealis</em> over Sondrestrom upper atmospheric research facility, Greenland Image

Aurora Borealis Over Sondrestrom (Image 1)
<em>Aurora borealis</em> over Sondrestrom facility, Greenland Image

Aurora Borealis Over Sondrestrom (Image 2)
Castle Rock in winter, Antarctica Image

Castle Rock in winter
Icebergs in Jökulsárlón, southeast Iceland, with Breiðamerkurjökull, an outlet glacier of Vatnajökull Ice Cap, in the background. Image

Icebergs in Jökulsárlón, southeast Iceland
Adelie penguins Image

Penguin Science.com (Image 19)
NSF/USAP aircraft hangar at Christchurch, New Zealand, displays NSF’s tagline Image

USAP aircraft hangar at Christchurch, New Zealand
Aurora australis Image

Aurora australis over Amundsen-Scott South Pole Station
Commerson's dolphin Image

Commerson's dolphin, or 'panda dolphin'
Digital optical module lowering into hole Image

Digital optical module lowered into hole at South Pole Station
Auroras and an iridium flare appear over the Dark Sector of Amundsen-Scott South Pole Station Image

Auroras and iridium flare over Dark Sector
Time-lapse of balloon launch Image

Time-lapse image of balloon launch at South Pole Station
A nose view of an LC-130 airplane at Amundsen-Scott South Pole Station Image

Nose view of an LC-130 airplane
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