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A new drone-mounted surveillance camera, chillingly described as the "Wide Area Persistent Stare," can see and record, all at once, virtually everything happening at ground level in a medium-sized city.A new drone-mounted surveillance camera, known as the "Wide Area Persistent Stare," can see and record virtually everything happening at ground level in a medium-sized city.

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Groundbreaking research in behavioral economics may pose the greatest academic threat ever to free-market theory, suggesting that emotions linked to brain chemistry -- not rational self-interest -- play a deciding role in how we spend, save and invest.Groundbreaking research in behavioral economics suggests that emotions linked to brain chemistry—not rational self-interest—play a deciding role in how we spend, save and invest.

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