Browsing 140 - 150 results of 480 webcasts


Ice Stories:  The Tundra and Climate Change, Part 2 (Webcast)
Running Time:
00:19:01
In our second Webcast with biologist Steve Hastings, we'll learn about his collaborative research experiment in Barrow. As the climate changes in the Arctic, the amount of water on the tundra is affected (more rainfall, shorter freeze periods, changing sea levels,etc). How will these changes effect the tundra's release of greenhouse gases? Will less permafrost mean more or less CO2 in the atmosphere? Will warmer temperatures cause more evaporation? Will that be good or bad for the environment?

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

Date: May 27, 2008
Format: Expedition
Category: Popular Science
Subject(s): Geology/Earth Science, Life Science/Biology

Keywords: arctic, ice stories, barrow, alaska, scientists, dispatches, climate change, geology, biology, oceanography, ice

Links: 

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Ice Stories:  Searching for Life in the Ice (Webcast)
Running Time:
00:22:45
The Census of Marine Life is a growing global network of researchers in more than 70 nations engaged in a ten year (2000-2010) mission to assess and explain the diversity, distribution, and abundance of marine life in the oceans. Rolf Gradinger is an expert in Sea Ice Communities, studying the tiny animals that actually live inside the ice and those that live on the bottom of the ice sheets. We'll chat with Rolf about his current work, drilling ice cores just off Barrow, and looking for some of the world's most unique fauna.

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

Date: May 24, 2008
Format: Expedition
Category: Popular Science
Subject(s): Geology/Earth Science, Life Science/Biology

Keywords: arctic, ice stories, barrow, alaska, scientists, dispatches, climate change, geology, biology, oceanography, ice


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Ice Stories:  The Tundra and Climate Change (Webcast)
Running Time:
00:16:26
Meet Barrow scientist and Ice Stories blogger Steve Hastings, who is investigating how the tundra responds to climate change. What exactly is the tundra? How can vegetation, no more than 3 inches tall, play such an important role in the world's climate? Why does the tundra release so much CO2?

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

Date: May 23, 2008
Format: Expedition
Category: Popular Science
Subject(s): Geology/Earth Science, Life Science/Biology

Keywords: arctic, ice stories, barrow, alaska, scientists, dispatches, climate change, geology, biology, oceanography, ice

Links: Project: The Breathing Tundra

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Ice Stories:  Live from the Arctic (Webcast)
Running Time:
00:16:16
The Exploratorium's remote crew has landed in Barrow, AK, to showcase the vast array of science being conducted at this northernmost tip of the continent. Join us for this introduction to Barrow: where is it? why are so many scientists here? why are May and June such important times?

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

Date: May 22, 2008
Format: Expedition
Category: Popular Science
Subject(s): Geology/Earth Science, Life Science/Biology

Keywords: arctic, ice stories, barrow, alaska, scientists, dispatches, climate change, geology, biology, oceanography


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Pi Day:  20th Anniversary of Pi Day at the Exploratorium (Webcast)
Running Time:
01:53:32
The Exploratorium celebrates the 20th anniversary of Pi Day with a pie-throwing contest, Pi Day exhibits in Second Life, and more activities honoring everyone's favorite mathematical constant.

Project: Pi Day | Browse All

Date: March 13, 2008
Format: Event
Category: Popular Culture
Subject(s): General Science, History

Keywords: pi day, geometry, history, math, chain reaction


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Ice Stories:  Penguins, Part II (Webcast)
Running Time:
00:39:23
Join us for more conversation with David Ainley and other researchers studying Adelie penguins in Antarctica’s Ross Sea.

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

Date: January 24, 2008
Format: Expedition
Category: Science in Action
Subject(s): Life Science/Biology

Keywords: antarctica, penguins, adelie, ross sea, david ainley

Links: Project: Ross Sea Penguins

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Return to Mars:  Mars Update: Of Asteroids and Craters (Webcast)
Running Time:
00:28:06
Join Exploratorium Senior Scientist Paul Doherty as he gives us an update on Mars and examines the possibility of an upcoming asteroid collision with the red planet!

Project: Return to Mars | Browse All

Date: January 23, 2008
Format: Demonstration / Activity
Category: Science in Action
Subject(s): Astronomy/Space Science

Keywords: mars, rovers, asteroid, collision


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Ice Stories:  South Pole Telescope: Data Collection and Distant Galaxies (Webcast)
Running Time:
00:29:28
Scientist working on the South Pole Telescope explain data collection, focusing on the telescope's receiver, a precise instrument with a thousand "eyes" pointed to the distant universe.

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

Date: January 18, 2008
Format: Expedition
Category: Science in Action
Subject(s): Astronomy/Space Science, Geology/Earth Science

Keywords: antarctica, south pole telescope, astronomy, space, south pole, university of chicago

Links: South Pole Telescope home page

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Ice Stories:  Ice Cube Telescope, Part II (Webcast)
Running Time:
00:31:28
Hear more from scientists working on the Ice Cube telescope at the South Pole.

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

Date: January 12, 2008
Format: Expedition
Category: Science in Action
Subject(s): Geology/Earth Science, Astronomy/Space Science

Keywords: antarctica, neutrinos, dark matter, dark energy, astronomy, space, nasa, scientists, mcmurdo station, cosmic rays

Links: ICE CUBE Homepage

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Ice Stories:  Glaciologists at the West Antarctic Ice Sheet (Webcast)
Running Time:
00:46:36
Meet glaciologist Slawek Tulaczyk and his team, who work in the fast-emerging field of ice sheet dynamics. They speak to us just after returning from a month at a remote camp on the West Antarctic Ice Sheet.

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

Date: January 12, 2008
Format: Expedition
Category: Popular Science
Subject(s): Geology/Earth Science

Keywords: antarctica, glaciers, ice sheet dynamics, subglacial lakes, west antarctic ice sheet, floods, streams, ice quakes

Links: 

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Gordon and Betty Moore Foundation
Gordon and Betty Moore Foundation
Webcasts made possible through the generosity of the Gordon and Betty Moore Foundation, The Jim Clark Endowment for Internet Education, the McBean Family Foundation,.and the Corporation for Educational Networks Initiatives in California (CENIC).

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