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Math & Technology

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Kepler 90 system

THIRD ROCK  The keen eye of an AI program discovered that the star system Kepler 90, illustrated here, has an eighth world (dubbed Kepler 90i), which was previously overlooked in exoplanet searches.

hydrogel disks

IT’S ELECTRIC  A new type of energy source made with hydrogel disks (shown) works a lot like the power-producing organs inside electric eels.

dolphin jumping

LISTENING IN  A computer code picked out six new types of dolphin clicks from several months’ worth of underwater sound recordings.

Math & Technology

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