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brain cleaning illustration

THE CLEAN CYCLE  Lack of sleep may contribute to Alzheimer’s disease by robbing the brain of the time it needs to wash away sticky proteins.

Jupiter moons

NEW MOON, I SAW YOU ORBIT ALONE  Of 12 recently discovered Jovian moons (illustrated in bold orange, blue and green), one orbits in the opposite direction of its neighbors (arrows show orbit direction). Four moons discovered by Galileo are also shown (purple).

Pluto mountains

UPS AND DOWNS  This view shows Pluto’s highest mountains, which rise 3 to 6 kilometers above the smooth nitrogen-ice plains of Sputnik Planitia. New maps of Pluto’s topography show more details of familiar landscapes like this one.

illustration of computer code

SPEED DEMON  This new computer program’s clever number-crunching strategy could route ride shares, discover new drugs and analyze genetic data far faster than other algorithms.



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