Make a spinning disc called a stroboscope, which lets you create your own animated cartoon.
Search a geological map of Ethiopia for fossils.
Explore the important engineering concepts of yield strength, ultimate strength, and elasticity as they relate to building a better bicycle.
Sometimes there's more than one way of looking at something.
A comprehensive tour through the weird and wonderful world of frogs.
The impacts of climate change hit most severely at the poles.
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