Researchers compare 'natural' mosquito repellents to DEET

Every summer while preparing for long weekends at our family cabin in the north woods of Minnesota, we'd face the same dilemmas. What food should we bring? Is SPF 50 sunscreen enough protection? And, most importantly, which ...

A goosebump sensor that reads your emotions

People get goosebumps when they feel a sudden surge of emotion. Goosebumps are due to the shrinkage of the skin cells around hairs, making the hairs stand on end. Animals, such as lions and cats, develop the goosebumps or ...

Wearable electronic skin delivers drugs and stores data

Average life expectancy has nearly doubled since 1800, thanks to progress in medicine. Most of that was made by developing drugs and improving public health services. The medical revolution of the 21st century is going to ...

A super tiny giraffe (w/ Video)

Shaahin Amini was ready to quit. The Ph.D. student at the University of California, Riverside's Bourns College of Engineering had spent three hours looking into a microscope scanning a maze of black-and-white crosshatched ...

New 'electronic skin' patches monitor health wirelessly

Like the colorful temporary tattoos that children stick to their arms for fun, people may one day put thin "electronic skin" patches onto their arms to wirelessly diagnose health problems or deliver treatments. A scientist ...

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