Low-cost, teacher-tested activities for the classroom and the curious.
Science of Cooking • Explore the science behind food and cooking with recipes, activities, and Webcasts.
See colors that aren't really there.
Grow spikes of crystals in the sun.
Dispatches from the AAAS 2001 Meeting.
An ordinary metal spoon can make some astounding sounds!
What are the essential elements of life? How can you distinguish between the living and nonliving world? What traits of life do all organisms share?
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