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"The low-intensity red LEDs (light emitting diodes) in Christmas lighting strands had up to eight times the amount of lead allowed under California law, and while the white bulbs had less lead than the colored ones, they had high levels of nickel, according to a team of researchers at the University of California, Irvine, and the University of California, Davis."

It's said that information is power but could information mean less power, when it comes to electricity use? Environmentalists and makers of so-called smart meters are convinced that's the case. They say if consumers could see in real time how much power they're using, they'd conserve more. But some behavioral economists say no way. They say electricity is so cheap that real-time information might lead people to run their lights and gadgets even more.