Better sweat collection method could improve biomarker analysis

The chemical composition of human sweat tells us a lot about our health, but collecting it for analysis can be tricky. Current devices worn on the skin fill reservoirs one at a time but do not reflect how our rate of sweating ...

Bioengineers explore why skin gets 'leathery'

Received wisdom says that staying out in the sun too long can make your skin tougher over time. Think about the "leathery" complexions of farmers, road crews and others who work long hours outdoors, or someone who spends ...

New method traces ancestry of hybrids

If you've ever kept a garden, you're probably familiar with hybrids, from disease-resistant tomatoes to Stargazer lilies.

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