First report of dorsal navigation in a flying insect

People—who get lost easily in the extraordinary darkness of a tropical forest—have much to learn from a bee that can find its way home in conditions 10 times dimmer than starlight. Researchers at the Smithsonian Tropical ...

Rapid, reliable on-site drug detection using wearable sensor

Researchers in South Korea have successfully developed a wearable sensor that can detect illegal drugs in sweat by using nanomaterials technology that amplify the optical signal of narcotics to a flexible, body-worn material. ...

Turning sweat against itself with a metal-free antiperspirant

Body odor is an unpleasant smell, produced when bacteria living on the skin break down the proteins in sweat. To avoid stinking, some people apply antiperspirants that clog sweat ducts with foreign materials, such as metals, ...

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