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Log in to add favorite November 30, 2009 10:07 AM

As post-Halloween sugar highs ebb and trick-or-treat stashes wane, the days of pre-packaged, ready-to-eat treats give way to the smells of freshly-baked bread, pies, cakes, gingerbreads, and a variety of other family…

Log in to add favorite November 19, 2009 10:58 AM

Shortly after finding out she was one of thirty teachers selected to participate in a Zero-G flight as part of the Weightless Flights of Discovery Program, sponsored by Northrop Grumman, Erin Moore, an eighth grade teacher at Lincoln Avenue School…

Log in to add favorite November 12, 2009 8:56 AM

Earlier this week, I talked about a paper chromatography project that offers a perfect opportunity for younger students to observe the pigmentation of Autumn leaves and then a make-your-own-markers project that can turn a pile of leaves into a set…

Log in to add favorite November 10, 2009 8:39 AM

Mashing a pile of fall leaves offers a colorful demonstration of "extraction" and sets the stage for paper-towel-based chromatography. One of the things that I often miss living in the Bay Area is the definitive visual change of seasons.…

Log in to add favorite November 4, 2009 6:33 AM

The November 15 deadline for the 2010 NCWIT Award for Aspirations in Computing is approaching. All US high school girls in grades 9-12 (excluding previous winners) are invited to apply. Awardees receive both cash and technology prizes. For…

Log in to add favorite November 3, 2009 11:54 AM

Does it take you a bit of time to settle in once the time changes? Did you or members of your family wake up earlier the day after the time changed? Do you notice already the changes in available light during the day? Do you know "why" the time…

Log in to add favorite November 2, 2009 9:21 AM

Photo: Kenneth Hess, 2009. Specs: Stack of 17 images, 85 minutes total exposure time on a Nikon D3. The telescope was an Astro-Physics 155mm f7 StarFire EDF Triplet Apochromatic Refractor. [View full-size image.] I wrote earlier about…

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Free science fair projects.