Americans' chances of getting skin cancer are 15 times higher today than 60 years ago. The reason? Increased exposure to ultraviolet radiation (UV) caused by thinning of the ozone layer. A new product may help people beat those odds. Developed by physicist Ori Faran at Technion-Israel Institute of Technology, the Sticker measures the body's accumulated dose of UV, warning its wearer when to get out of the sun.

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