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.
Did you know the Maya used two calendars? How did they know when to plan their big New Year's parties?
Grow spikes of crystals in the sun.
What is a gear ratio? And how do gears help make the bicycle so efficient?
How are creative investigations sparked? What does a state of inspiration feel like? Can inspiration be transmitted from person to person? Join us for an audio slideshow series that explores the fascinating world of how we work creatively.
What do you really know about what you see?
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