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HIP 2876

COSMIC BELL   Scientists used light from stars, including HIP 2876 (shown), to perform a cosmic Bell test, verifying the weird nature of quantum mechanics. The scientists used variations in the color of the light emitted from the star to randomly select measurement settings in the experiment.

bismuth

CONDUCTIVE CRYSTAL  A pure crystal of bismuth, like this cube (right), superconducts below 5 ten-thousandths of a kelvin, scientists report. Impure crystals of bismuth display iridescent patterns due to layers of oxidation that form on their surface (left).

silicon-based life illustration

FREAKY FUTURE Is silicon-based life (illustrated above) out there in the universe? The jury is still out — but with a little help from humans, life on Earth might be able to sprinkle a little silicon in with its carbon.

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