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How wise are crowds?

By melding economics and engineering, researchers show that as social networks get larger, they usually get better at sorting fact from fiction.

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Social Studies

In MIT's Human Dynamics Lab, Sandy Pentland PhD '82 uses cell phones and wearable sensors to research nonverbal signals, information flow, and the value of face-to-face conversation.

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Cars as traffic sensors

A new algorithm optimizes the dissemination of information about traffic and road conditions through networks of wirelessly connected cars.

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Sizing samples

Many scientific disciplines use computers to infer patterns in data. But how much data is enough to ensure that the inferences are right?

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