Explore the science of space exploration. Pupils consider technological advances in propulsion, communication, power, navigation, and imaging. They select one of these areas and create a timeline of historical progress that contributed...

A descriptive list of chemistry-oriented ideas that answer such questions as: Have you ever wondered what happens inside of an egg when it is hardboiled? How do products like Bounce act to soften clothes after they are washed and dried?...

A very simple electrical resistance thermometer is described that can be built, calibrated and tested in a school laboratory at virtually no cost. With it, flames, focused sunlight and other high temperature sources can be probed. The...

Design Challenge takes photos of tricky spots in people's yards and puts them out there for advice from the professionals at the Cornell Lab of Ornithology. Check out the ecological ideas for this backyard from Maine.

A place to share and see others' ideas for improving a lego robotics project, light guitar.

Design Challenge takes photos of tricky spots in people's yards and puts them out there for advice from the professionals at the Cornell Lab of Ornithology. Check out the ideas generated for this Pennsylvania back yard.