How A Jiggling Gem Helps Your Watch Keep Time
Deep in your watch is a small piece of quartz, which creates your clock's ticks and tocks.
How Animals Camouflage
Get ready to be introduced to nature's best master of disguise--the cuttlefish.
Smart Shirts
In the future, you will be able to download data from your shirt, which has electronics embedded in the fabric.
How Lightning Makes Magnets
When lightning bolts zap iron minerals they make magnets called lodestones. NASA scientists coax bolts to strike rocks using a trick from Ben Franklin.
Say Cheese, Pandemic
There are special cameras, called thermal cameras, that can detect heat. These cameras are the first defense against threats and diseases.
Saving Monarch Butterflies
Twenty years ago, there were a billion monarch butterflies. Now, there are less than 10 percent of them left. Their disappearance is linked to a weed.
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