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All Stories by McKenzie Prillaman
Health & Medicine
Hot-air hand dryers are a haven for microbes. A finalist at Regeneron ISEF found that these machines spray germs all over freshly washed hands.
Quietly wrestling cats may be hard at play. But if they’re chasing and yowling, you might have a cat fight on your hands.
Miniature machines made of gallium and magnetic particles can switch from solid to liquid and back.