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.
Can you recognize an ordinary penny? It may be tougher than you think!
Get a taste of how the earth's plates move.
Ordinary materials used in extraordinary ways.
Crabeaters have extraordinary teeth, Weddells are downright cute, and leopards are as fierce as their namesake
Learn about the giants of the polar seas.
Learn about bike gears using thread spools and a rubber band.
For most of us, science arrives in our lives packaged neatly as fact. But how did it get that way?
You can make sentences without words!
Listen to bird songs and try to figure out which are songs, which are companion calls, and which are alarms.
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