Are virtual worlds the future of the classroom?

Virtual worlds like Whyville give kids chance to learn about science, math and themselves. Educators are taking notice.

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Why do so many of us still buy cars with off-road abilities?

Cities are full of cars like the Subaru XV that can drive off-road but will never see any challenging terrain. What drives us to buy cars with these abilities when we don't really need them most of the time?

by Drew Stearne