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Nightlight Plight, Cancer Stinks, Literal Green Energy

Curiosity Weekly

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How Does a Robot Smell Work?

Scent has more than 400 receptors, and we still have a ton to learn about how they interact with odor molecules and each other. The system was originally about the size of a desk top computer, but researchers think could srink enough to fit into our smart phones within five years or so. And this could help with real world detection of illness at early stages.

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