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Bacteria-Powered Solar Cell Would Work When Cloudy

A new kind of solar cell uses bacteria instead of silicon to convert sunlight into electricity. It could lead to a cheap, sustainable way to generate electricity even when skies are overcast or the light is dim.

An Internet of Wings

Researchers will track migratory animals from the International Space Station to predict the next pandemic

Spies Like Us

Armed with low-cost surveillance technologies, nonprofits aided by “citizen spies” are tracking fracking in Pennsylvania, flaring in North Dakota, and rogue fishing around Easter Island

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