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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!

00:00:11
An clip of the Aeolian Landscape exhibit by artist Ned Kahn. Blowing air sculpts sand into an ever-changing landscape.

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!

1:00:11
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 - Valentine gifts!

00:45:44
NASA's Mars Exploration Rovers, Spirit and Opportunity, have long outlived their life expectancy of three months. Join us as we sum up the rover data and explain how this information changes our view of Mars.

00:00:40
This wobbly luminescent sculpture by Liz Hickok is both art work and a simulation of how a San Francisco neighborhood might jiggle when the Big One strikes.

00:03:25
In this short film Frank Oppenheimer gives us some of his visions for what he is creating in the beautiful Palace of Fine Arts. This film dates back to 1969, the year that the Exploratorium was founded.

1:01:08
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- carbohydrates!