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00:15:00
Mary Miller chats with scientists at the South Pole about the nearly-completed telescope. The satellite connection to the pole deteriorated quickly, and we hope to repeat this program in the near future. Stay tuned for updates!

00:37:45
What's Christmas like at the South Pole? Also learn about the Race Around the World and the installation of the telescope's new receiver.

00:28:51
Tom Crawford and Jeff McMahon show us a day in the life of a South Pole scientist, then talk about what the telescope will be searching for: dark matter, galaxy clusters, and evidence of the universe expanding.

00:28:45
South Pole scientists Tom Crawford and Jeff McMahon take us on a virtual tour of the South Pole Station, then discuss working in the polar environment.

01:05:00
In this zany competition teachers will have ten minutes to create a science activity from a special secret ingredient. This week-fruit!

1:02:13
In this zany competition teachers will have ten minutes to create a science activity from a special St. Patrick's Day secret ingredient-things that are green!

00:45:13
A year and a half after entering Saturn's orbit, the Cassini spacecraft continued to gather exciting new information. Dr. Paul Doherty and Dr. Eric Weygren bring us up to date on the Cassini Mission and show stunning images of Saturn and its ever-growing assortment of moons.

00:48:40
Searching for extraterrestrial life: is it telephoning aliens or really complicated math equations? Join Senior Scientist Paul Doherty, NASA Ames planetary Scientist Eric Wegryn, and SETI's Senior Scientist Seth Shostak as they explore how to find planets that could support life. How many of these planets are there? How did we find them? When will we know for sure?

1:17:34
How do opera singers sing loud enough to be heard over an orchestra? Can an opera singer's voice really break a wine glass? What's the difference between a baritone and a soprano? Discover the answers to these questions—and more!—in this presentation for families. Join physicist and composer Dr. Brian Holmes and San Francisco Opera Center Director Sheri Greenawald to explore how the art and science of singing combine in opera.

01:04:45
Watch as Exploratorium staff and local teachers compete for the title of Iron Science Teacher. Each contestant has ten minutes to make a science lesson out of a secret ingredient. Today's secret ingredient-potatoes!