The street signs outside young Yvonne Freeman's window were prophetic in foreseeing her future as an extraordinary mentor for youngsters in science, math - and engineering.

Teachers are discovering that toys like Slinkys and yo-yo's may be better than books when it comes to teaching kids about engineering.

Satellite Campus on Mars | A Three-Sided Solution | Engineering Goes Downhill | Plastic That's Fantastic for Bridges | A Mind of its Own | Playground Power | Students Ante Up at William & Mary

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• TEACHING: Assessing One and All