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By Natasha Gilbert of Nature magazine Consumers who flush unwanted contraceptives down the drain have long been blamed for giving fish more than their fair share of sex organs. [More]

Photovoltaic cells that convert heat, not sunlight, to electricity may turn out to be the solution for capturing all the energy we waste through heat.

You’ve probably heard bosses, parents and peers say it time and time again, “Time is money, let’s get moving.” For some, it’s difficult to equate the intangible concept of time to the concrete touch and feel of the almighty dollar bill. But this simple phrase, when taken at its word, just may be the answer to your financial woes.