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00:03:50
You've probably heard about the Texas-sized island of plastic trash swirling in the center of the Pacific Ocean. But did you know we have our own pockets of floating trash right here in San Francisco Bay? Join us on a trash safari with Sealife Convervation—a research and education group studying the volume, distribution, and sources of trash in the San Francisco and Monterey Bays.

00:04:16
Just outside the hum and buzz of San Francisco, there's a hum and buzz of a different sort. It's the sound of thousands of acres of almond crops being pollinated by bees—bees in such demand that they must be trucked in from as far as Texas. Almond grower Dave Phippen explains why. keeping this winged labor force happy and healthy is a vital but tricky business.

00:04:33
Scott Weaver has spent the last 35 years painstakingly constructing a replica of the city of San Francisco made of toothpicks! Not only that, but it is also a marble run, allowing ping-pong balls to take various tours through the city. His artwork will be on display in the Tinkering Studio at the Exploratorium until June 19th.

00:03:06
On April 7, 2011 we turned the Exploratorium into a skatepark. Watch as DLX riders, Dennis Busenitz, Elissa Steamer, Major Jones, Frank Gerwer, and Peter Ramondetta demo the ramps inside the museum.

00:05:46
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?

No one puts the laws of physics to the test quite like the urban skateboarder. Join us for a closer look at the science behind the tricks of the sidewalk-shredding trade, from the basic ollie to high-flying aerial maneuvers.

00:13:35
Made by the Exploratorium's Teacher Institute, this "machinima"--a film made entirely in a virtual world, highlights the exhibits and recent events in Second Life on the Exploratorium Island and 'Sploland sims.

00:03:16
In January and February of 2011, the first of the large 72" in diameter piles were driven 160 feet in to the sea floor at Piers 15 and 17 in San Francisco, the new home of the Exploratorium. These new piles were installed between the two piers and along the south apron of Pier 15. In early March, the steel casings were filled with concrete.

02:50
Josh Short from the Cardboard Institute of Technology walks us through their latest installation, Subterrain, on the Exploratorium floor!

00:01:10
This After Dark event was devoted to the ever-mysterious and otherworldly dimensions of sleep, darkness, and night.