Science Buddies Blog (4 results)

How's the water? SODIS water disinfection uses PET bottles and the power of the sun over time. Image Source: SODIS Eawag, Wikipedia) The answer depends on a number of variables, including where you are, especially if you are considering taking a drink. As Sarah Flaherty, a 9th grader at Westdale Secondary School in Hamilton, Ontario, discovered, purification strategies can be inexpensively enhanced by the strategic use of common materials. According to Sarah's science project,… Read more

Yesterday, the New York Times ran an in-depth profile of Nora Volkow, the neuroscientist in charge of the National Institute on Drug Abuse. In the accompanying video, Volkow talks about the psychology and physiology behind addiction. According to Volkow, the impulse that drives one person to buy a chocolate bar from a bucket sitting at a checkout counter, even when she doesn't really want a chocolate bar, may be similar to the way an addict returns time and again to a substance, behavior, or… Read more

Bridge Building Inspiration Born on June 13, 1806: John Augustus Roebling, an engineer especially known for suspension-style bridges and the design of the Brooklyn Bridge. From straws to balsa wood to egg shells, students can get hands-on this summer exploring and testing bridge construction. In an episode (link no longer available) of the "Magic School Bus," Ms. Frizzle's class experimented with gum drops and toothpicks. What will you use? A classic Magic School Bus episode involves… Read more

The parts of a woodwind instrument, like the clarinet reed and mouthpiece shown above, could turn the band into a bacterial hotspot! Photo: James Eaton-Lee Njan Wikipedia. At Maker Faire a few weeks ago, I wandered with my kids through a maze of techno-geeky wonderment. We started our day-long exploration of things that lie at the intersection of science, art, and DIY with a roundup of scuttling, skittering, line-following, light-seeking bots. They might not be useful around the house,… Read more