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1:13:45
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: ping pong balls!

1:00:07
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: food coloring!

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!

1:03:28
Host Greg Caroll and riders from Stereo, Think, and Real Skateboards perform as Exploratorium staff physicist Paul Doherty explains the physics behind this extreme sport.

2:19:31
Visit a chocolate factory and learn how to make chocolate candles! Host Sedge Thomson talks with chocolatiers, chefs, and scientists about the history and science of this intoxicating food.