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From fertilization to pregnancy tests, watch and listen as Xenopus researcher Dr. Thierry Brassac shows how these creatures, with their enormous eggs cells and their acts of metamorphosis, have been helping scientists for centuries. The water-dwelling planaria can lose its head and regrow a new one. Watch and listen as planaria researcher Alejandro Sanchez Alvarado explains how a little flatworm's might teach us about our own regenerative potential. At the National Ice Core Lab in Denver, Colorado, scientists study ice cores in a Class 100 clean room lab kept at minus 7 degrees F. The Jakobshavn Isbræ is among the fastest-moving glaciers in the world. The Jakobshavn is an outlet glacier, one of the few places where the giant Greenland ice sheet can shed ice in the form of gigantic icebergs. This timelapse video (100x real speed) from glaciologist Mark Fahnestock shows one of these massive calving events. Notice the dark blue ice that surfaces when the iceberg flips over in the ice-choked Ilulissat icefjord. Time interval on this timelapse is 10 seconds per frame. Hear stem cell researcher Bruce Conklin explain why this science is important and what it's like to watch newly grown heart cells beat in a culture dish late at night. A tattoo lasts a lifetime, thanks to your white blood cells. Watch and listen as researcher Mike McGrath explains how these warrior cells protect you from disease—and keep body art intact. What's so special about the sea urchin? Watch and listen as urchin researcher Fred Wilt describes the things he and others observe under the microscope. Science, technology, art, and fashion converge at a runway fashion show at the Exploratorium on Friday, April 25, 2008, 7-11pm. The 2nd Skin Clothesline Exhibit debuts that evening; the event also features two artists at work on their creations. If you miss the opening, artists' works will to be highlighted around the museum for five months,from April 26-September 7, 2008. Invisibility, teleportation, mind reading—the stuff of science fiction, right? Yet much of today’s technology was once considered impossible. Given enough time, couldn’t incredible ideas like these also become commonplace? In this unique presentation, author and physicist Dr. Michio Kaku brings to life the science behind parallel universes and other fantastic phenomena. He’ll discuss the role of nanotechnology in learning to simulate invisibility, explain why NASA envisions sending “nanoships” to the stars, and reveal how nanoscience may provide an escape from the death of the universe itself.
The Exploratorium celebrates the 20th anniversary of Pi Day with a pie-throwing contest, Pi Day exhibits in Second Life, and more activities honoring everyone's favorite mathematical constant.