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Earth & Environment

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Hawaii Map

SHARP TURN  The sharp bend in the Hawaiian-Emperor seamount chain formed after a sinking tectonic plate redirected the mantle flowing underneath the Pacific Ocean, new research suggests.

Testing a stream with tampons

GLOW STICKS  David Lerner uses traditional instruments to test a stream for water pollution, but is field testing a better, cheaper tool: tampons that glow when they soak up chemicals.

person pouring detergent into washing machine

WASHED OUT  Detergents with bleach or bleach alternatives can take out chunks of antibacterial silver nanoparticles in addition to tough stains.

Earth & Environment

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