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Tinkerer, programmer, and musician Ken Murphy shows how to build electromechanical "bugs" built from scavenged materials and powered with a single coin-cell battery. When the Blinkybug's wire antennae detect motion from air currents or vibrations, the bug comes to life, with its LED eyes blinking in rhythmic patterns. In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: baseball equipment. In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: plastic water bottles. In this interactive presentation with Exploratorium biologist Karen Kalumuck, find out how flowers entice bees, what bees see in a flower, and the importance of bees to agriculture. Also learn about Colony Collapse Disorder, which is causing once-thriving honeybee colonies to disappear. The Jakobshavn Isbrae 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 by Jason Amundson of the University of Alaska Fairbanks 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. Dr. Tejal Desai of UCSF talks about the intersection of nanotechnology and medicine, an area of research that has dramatic implications for the future. It could lead to artificially engineered tissues, or more effective drug delivery. It could also result in new kinds of health monitoring devices, as Dr. Thomas Murray, from the Hastings Center, explains. The Cassini spacecraft continues to orbit Saturn, sending back astonishing images of the ringed planet and its moons. Join us as we look at the latest images and do some hands-on activities to help us understand.
The Teacher Institute's own food and entertainment maven takes us on a whirlwind tour of our golden city. Find out about the cheapest eats, the best place to see Art Deco or to go kayaking, and where to get insulted while you get your sandwich. These are Modesto's opinions; they don't represent the Exploratorium or its funders. Join host Mary Miller and Dr. Mickey Glantz in a discussion on issues around climate change and how it may affect communities. Join Exploratorium staff scientist Charlie Carlson as he continues to examine issues around the Gulf Stream and climate change.