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00:05:16
Ever notice a brick-lined circle embedded into a street intersection? Keep an eye out and you'll see them throughout San Francisco. As part of the San Francisco Fire Department's Auxiliary Water Supply System, these brick circles indicate a cistern full of water. Join SFFD's Chief Ken Lombardi and Firefighter Hashim Anderson as they discuss the history and function of these cisterns, and demonstrate the drafting procedures used to access the water.

00:02:00
On August 16, 2014 we hosted canine contenders who demonstrated everything from intelligent disobedience to choreographed dance steps in our Dog Skills and Talent Shows. Join us for a free open-air mini-festival that brings together museum and community scientists, artists, and educators and features curated art and science demos, hands-on activities, exhibits, and craft displays.

00:49:00
Join us as Rosetta moves ever closer to Comet 67P/Churyumov-Gerasimenko’s nucleus to map potential sites for a November landing.

00:10:06
Looming over San Francisco since 1973, Sutro Tower's antennae transmit and receive radio and television signals to the nine-county SF Bay Area. Perched above Twin Peaks, the tower has become a local icon, now revered as much as it was abhorred when first built. Visit the tower with us to find out what’s on it, what’s underneath it, and its history, including its transformation from eyesore to icon.

00:15:00
Join Exploratorium Senior Scientist Paul Doherty as he scours the globe for the world'sgreatest science demonstrations. In the 'Try This' series, Paul introduces us to science teachers who are famed for teaching some of the best science lessons. Watch the webcast, see the activities, and then try it yourself!

00:30:00
Cheer on the competitors in this zany science cook-off, where teachers compete before a live webcast audience for the sought-after title, "Iron Science Teacher."

00:50:00
Cheer on the competitors in this zany science cook-off, where teachers compete before a live webcast audience for the sought-after title, "Iron Science Teacher."

00:50:00
Cheer on the competitors in this zany science cook-off, where teachers compete before a live audience at the Exploratorium for the sought-after title, "Iron Science Teacher." This week's ingredients can be found in your breakfast!

00:15:45
What would it take for humans to travel to and live on Mars—and who is daring enough to do it? In this episode, we explore the Mars One project, which is planning human settlement on the red planet, and hear from scientists at NASA's Ames Research Center about adjusting to the Martian environment. We also meet some brave Bay Area residents who are hoping to make the journey.

00:50:00
Where do fireworks come from? Who invented them? What causes their beautiful colors, and how do the bursting shells create such different patterns? Join us for some real illumination, and learn the difference between a jerb and a lance.