Browsing 360 - 370 results of 489 clips


Ice Stories:  Getting to the Back Lakes: Crossing LimnaeaSo (Clip)
Running Time:
00:03:15
Climate researcher Billy D'Andrea and colleagues explore the remote "back lakes" of Greenland.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: July 8, 2008
Format: Expedition
Category: Science in Action
Subject(s): Geology/Earth Science, Life Science/Biology

Keywords: greenland, expedition, exploration, lakes, climate change, remote, boat

Links: Dispatch: Getting to the Back Lakes: Crossing LimnaeaSo

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Windows Media: 1328K  
QuickTime: 1328K  
Ice Stories:  Alkenones: Natural Thermometers (Clip)
Running Time:
00:03:36
To understand how Earthís climate system has changed over time, scientists need to find, develop and use natural recorders of temperature and precipitation. One natural thermometer comes in the form of alkenones: trans-fats produced by certain algae.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: July 7, 2008
Format: Expedition
Category: Science in Action
Subject(s): Geology/Earth Science, Life Science/Biology

Keywords: climate change, climate history, paleoclimate, thermometer, trans-fats, algae, lakes, temperature, sediment cores, density, liquid, fats

Links: Dispatch: Alkenones: Natural Thermometers

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Windows Media: 1300K  
QuickTime: 1328K  
Ice Stories:  Green, Electric Snowmobiles (Clip)
Running Time:
00:04:22
Meet Dr. Ethan Brodsky from the U. of Wisconsin, who advised a group of undergraduate students in the design and build of an electric snowmobile. Video produced by Ice Stories correspondent Zoe Courville.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: July 3, 2008
Format: Expedition
Category: Science in Action
Subject(s): General Science, Geology/Earth Science

Keywords: snowmobiles, pollution, electric vehicles, atmosphere, greenhouse gases, greenland, arctic

Links: Dispatch: Green, Electric Snowmobiles

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Windows Media: 1128K  
QuickTime: 1128K  
Ice Stories:   Caught in a Storm at Summit Camp, Greenland (Clip)
Running Time:
00:04:50
For two days Summit Camp, Greenland experienced strong winds and blowing snow, making work, and even walking around camp, difficult.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: June 29, 2008
Format: Expedition
Category: Science in Action
Subject(s):

Keywords: summit camp, greenland, storm, extreme weather, wind, snow, field camp

Links: Dispatch: Caught in the Storm

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Windows Media: 1200K  
QuickTime: 1600K  
Ice Stories:  Sandpiper Egg Swap (Clip)
Running Time:
00:03:18
Dr. Bart Kempenaers, a behavioral ecologist from the Max Planck Institiute of Ornithology in Seewiesen, Germany, and his team fashion fake Sandpiper eggs, swap them for the real ones in the nest and incubate them in their lab at BASCís (Barrow Arctic Science Consortium) new research facility. Once the hatchlings emerge, they take samples from them to determine factors such as paternity. The chicks are then returned to the nest, without the mother batting a feather.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: June 25, 2008
Format: Expedition
Category: Science in Action
Subject(s): Life Science/Biology

Keywords: ecology, sandpipers, birds, arctic, barrow, alaska

Links: Dispatch: Sandpiper Egg Swap

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Windows Media: 1128K  
QuickTime: 1128K  
Ice Stories:  Cooper Sniffs Out Seals (Clip)
Running Time:
00:03:08
What does a ringed sealís breathing hole look like and how do you find one on a vast sheet of sea ice? Dr. Brendan Kelly uses the canine skills of Cooper, a Black Labrador he trained to chase the scent of ringed seals and point to their holes. Passionate about wildlife and climate change, Melanie Duchin has loaned her dog to work with Brendan for the past 5 years.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: June 25, 2008
Format: Expedition
Category: Science in Action
Subject(s): Life Science/Biology

Keywords: seals, ringed seals, labrador retriever, barrow, alaska, arctic, sea ice

Links: Dispatch: Cooper Sniffs Out Seals

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Windows Media: 1128K  
QuickTime: 1550K  
Ice Stories:  Tagging Seals (Clip)
Running Time:
00:02:32
Watch Dr. Brendan Kelly, Micaela Ponce, Kevin Bakker and Dan Carlson as they measure and tag a female ringed seal on the frozen Chukchi Sea. Follow them as they return the seal by snowmobile to her breathing hole in the Elson Lagoon - and get a little seal slap in the process.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: June 18, 2008
Format: Expedition
Category: Science in Action
Subject(s): Life Science/Biology

Keywords: seals, ringed seals, tagging, chukchi sea, arctic, alaska, barrow

Links: Dispatch: Tagging Seals

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Windows Media: 1200K  
QuickTime: 1550K  
Ice Stories:   Herc C-130 Flight to Greenland (Clip)
Running Time:
00:01:48
To get to Greenland, scientists fly with the 109th Air National Guard in a Hercules C-130 aircraft. It is definitely not your typical airline experience.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: June 11, 2008
Format: Expedition
Category: Science in Action
Subject(s):

Keywords: transportation, greenland, c-130 aircraft

Links: Dispatch: Herc C-130 Flight to Greenland

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Windows Media: 1280K  
QuickTime: 1550K  
Microscope Imaging Station:  Cancer: Cellular Misfits Run Amok -- A Scientist's View (Clip)
Running Time:
6:50
How do cancer cells misbehave? Watch and listen as cancer researcher Dr. Thea Tlsty explains how genetic blips turn cancer cells into the rogues they are.

Project: Microscope Imaging Station | Browse All

Date: May 18, 2008
Format: Exhibit
Category: Everyday Science
Subject(s): Life Science/Biology, Medicine, Chemistry

Keywords: cancer, genetics


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Microscope Imaging Station:  Frogs: Princes of Science ó A Scientist's View (Clip)
Running Time:
5:49
From fertilization to pregnancy tests, watch and listen as Xenopus researcher Dr. Thierry Brassac shows how these creatures, with their enormous eggs cells and their acts of metamorphosis, have been helping scientists for centuries.

Project: Microscope Imaging Station | Browse All

Date: May 18, 2008
Format: Exhibit
Category: Everyday Science
Subject(s): Life Science/Biology, Medicine, Chemistry

Keywords: frogs, fertilization, metamorphosis, cell division


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