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Come out to play on the concrete slides at Seward Street Mini Park in the Castro. A series of speed tests guided by physicist Paul Doherty takes on the question asked by sliders everywhere: How can I go faster?

The only thing to beat out Iron Science Halloween! Holiday madness right when you could use a laugh.... today's secret ingredient: fruitcake!

The Live @ cast and crew take a journey to our Nation's Capitol for a special politically-charged edition of Iron Science Teacher. The competitors must create a math or science activity that is politically correct and leaves no child behind.

Learn how sparkling wine is made, what makes it different from still wine, and where all those little bubbles come from! We reveal how to open a bottle without touching the cork, as well as the best way to keep the bubbles in the bubbly. Join our special guests, Stanford chemistry professor Dick Zare, and French enologist Michel Salgues, winemaker at Roederer Estates in California, as we explore the science of tiny bubbles.

The Advanced Camera for Surveys (ACS) was successfully installed. In preparation for the installation of the NICMOS Cooling System tomorrow, the astronauts also installed the Electronics Support Module. We also talk with Massimo Stiavelli, a scientist at the Space Telescope Science Institute about his involvement with the ACS and the future Wide Field Planetary Camera 3 (WFPC3) scheduled to be installed during the next servicing mission in 2004.

In 1963 Benoit Mandelbrot introduced the fractal concept. Fractals are shapes or behaviors that have similar properties at all levels of magnification. Just as the sphere is a concept that unites raindrops, basketballs and Mars, so fractal is a concept that unites clouds, coastlines, plants and strange attractors. Dr. Mandelbrot dropped in for a visit during our 2001 series of webcasts about Antarctica. We took some time out from the freezing cold to interview him.

Noel and Paul spent several days at an active volcano, called Mt. Erebus. Join them for more stories about their trip and what the scientists are doing there.

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: corks!