Related topics: Green Kids
Make a patriotic pinwheel
Show off your red, white and blue spirit with this festive party pleaser.
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Remember that kid who invented a way to clean up ocean plastic? He's back, and it's happening
Parallel worlds exist and interact with our world, say physicists
Why do men tell women to smile?
For a spectacular dose of autumn, try the Porcupine Mountains
Farmers' Almanac warns of brutal winter
14 famous people who mysteriously disappeared