Body & Brain

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Cows in a field

SMELL THAT  Breathing in dust from dairy farms could protect kids from developing allergies and asthma. Dried-up cow manure could harbor the bits of bacteria that tell lung cells to calm down when faced with allergens.

junk food

GUT BUDDIES  Diets rich in fast food can mess with people's gut bacteria. These microbes may play a bigger role in health problems such as obesity and diabetes than scientists once suspected.

triboelectric nanogenerator w/voltage graph

POWER SQUEEZE  With a squeeze, swing or jiggle, body motion can flex a triboelectric nanogenerator (left) to create voltage (right), which can charge implantable and wearable medical devices. Textured surfaces within the generator can boost the power output.

Body & Brain

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