Subscriber Exclusive Articles
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How Hair Removers Get Rid of Unwanted Fuzz
By Sam Lemonick, Chemical & Engineering News
People have been experimenting with hair removers since prehistoric times, sometimes with harmful effects. Find out how today’s creams work safely.
Can You Power Devices With Your Body?
By Max G. Levy
Imagine capturing and using energy from movement—from walking to heartbeats—the same way we harness energy from the sun. What would you charge with your footsteps?
Bottled Water Wars
By Krystal Vasquez
Fizzy, plain, flavored, or alkaline. Drinking water has never before come in so many varieties. Understand the chemistry and health implications of your options.