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0:40:48
On the occasion of Hubble's 15th birthday we unveil two spectacular mosaic images from the telescope, discuss the amazing accomplishments of Hubble during the past 15 years, and look at some of the images from space.

00:26:34
Paul Doherty and Eric Wegryn explore the latest photos of Titan, Saturn’s largest moon, taken from only 750 miles away by the Huygens probe.

00:55:27
Watch as Exploratorium staff and local teachers compete for the title of Iron Science Teacher. Each contestant has 10 minutes to make a science lesson out of a secret ingredient. In this special Halloween edition, today's secret ingredient is: Plastic Bags!

00:11:16
Our team of middle school students from the Aim High program investigates new technologies that use our unique physical traits as tools for identification. Vox Unlocks tunes into voice recognition

00:41:34
Produced by students from San Francisco's Aim High Program. Today they ask, how do our ears work? Can we communicate without words? How do whales communicate under water? Why don't bats slam into trees as they fly? Middle school students will interview Exploratorium Educator Ken Finn and Biologist Dr. Karen Kalumuck, plus special surprise guests!

12:25:46
Why do many things sound different underwater? How are echoes made? Can you feel or see sound? Join us as we delve into the mysteries of sound. This webcast will feature an Aim High student demonstrating how to make a membranophone; Exploratorium physicist Dr. Paul Doherty modeling sound with ringing aluminum rods, corrugated plastic whirlies, and a slinky; and Marco Jordan, lead educator in the Exploratorium's Outreach program, demonstrating sound science with a "whine" glass and a singing bowl.

0:35:12
Join the Origins team as they travel to Antarctica. We sent Mary, Noel, Paul, and Julie to explore scientific wonders from McMurdo to the Pole. Learn all about the extreme science being conducted at the South Pole in a daily dispatch from Terra Australis Incognita!

1:10:23
A unique chance to watch the live progression of the making of a Hubble image! We'll select an image to follow over the course of the following webcasts, showing you the steps along the way as it goes from raw data to a full-color picture. And we'll talk with people who bring Hubble's fantastic images to the public. Part 2 of the previous program.

1:07:01
Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This week’s “secret” ingredient: cups!

0:54:03
Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This week’s “secret” ingredient: compact ∂iscs!