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Materials

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balls of nanoparticles

TO DYE FOR  By changing the spacing between nanoparticles aggregated into balls, researchers created these inks of five different colors.

sea slug

SLIMED  When startled, the dusky slug (Arion subfuscus) produces a goopy defense slime that slows down predators. Scientists are studying the chemical structure of this goo to make better surgical adhesives.

photo illustration of people transmitting signals

TEENY TINY ANTENNAS  A new type of micrometer-thick chip could one day transmit signals from devices embedded in our clothes or even our bodies.

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