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Proxima b. Credit: ESO/M. Kornmesser

A WORLD NEXT DOOR  Proxima Centauri casts a reddish glow over the surface of Proxima b (illustrated), the closest exoplanet to Earth, while two companion stars, Alpha Centauri A and B, appear as bright pinpricks of light.

coffee

JAVA GENE  A study of Italian and Dutch people’s DNA revealed a new gene that may affect how much coffee people drink. The gene is involved in determining how well people process caffeine.

brain and microprocessor

GAMING THE BRAIN  Neuroscience tools didn’t reveal much about the inner workings of a simple microprocessor (right), so how can they grasp the much more complex brain?

CRISPR illustration

RETOOLED Tweaks to the cutting-edge gene editor known as CRISPR enhance its powers. 



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