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00:02:52
At the National Ice Core Lab in Denver, Colorado, scientists study ice cores in a Class 100 clean room lab kept at minus 7 degrees F.

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.

00:04:45
In this video, ride in a special Mattracks truck across the ice sheet with geologist Christina Riesselman as she travels with ANDRILL Staff Scientist Richard Levy from McMurdo Station to the ANDRILL drill site. They investigate the truck’s special wheels, observe beautiful panoramas of the Transantarctic Mountains, and hear the drill running at the drill site.

00:06:00
Animated abstract images create a portrait of matter in perpetual decomposition.

00:23:04
Using a simple ball-bearing model, Exploratorium Senior Scientist Dr. Paul Doherty demonstrates Brownian Motion and explains how it proves the existence of atoms.

00:24:51
Dr. Sydney Brenner won the Nobel prize in physiology or medicine in 2002 for his work with the tiny nematode, C. elegans. Dr. Brenner recruited the one-millimeter worm in the early sixties as the ideal model organism to study cell differentiation and organ development. In this program, he describes how new model organisms are established for studying basic physiology, recounts his reaction to seeing Watson and Crick's DNA model for the first time, and offers advice to young scientists just starting out.

0:47:31
We explore behind the scenes in the "tank room" of the Darwin Centre, where thousands of biological specimens up to 300 years old are kept.

0:41:59
Bat curator Richard Harbord and photographer Frank Greenaway explore questions about our furry flying friends in Belize. We also talk with bat experts in London and at the Exploratorium.

1:24:22
What is visual literacy--and who is literate? Join guest lecturer James Elkins in an evening of commentary on the many ways we "read" the visual world and assign meaning to what we see.

2:10:53
Watch as USA robots battle in the Sumo ring for world dominance and a $2,000 prize! Also check out the Quicktime archive of the 1999 and 2001 Competitions.