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  1. 19153

    Your article describes the economic and environmental costs of semiconductor chips. Interestingly, the impacts on the environment are very similar for the manufacture of solar cells. Many environmentalists place such unrealistic expectations on solar cell energy that they overlook certain facts. First, solar cells yield at most 30 percent efficiency. Second, solar cells do not […]

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  2. Tech

    Hidden Costs: It takes much stuff to make one tiny chip

    A new analysis reveals that the production of a single 2-gram microchip requires nearly 2 kilograms of chemicals and fossil fuels.

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  3. Health & Medicine

    Attack of the Clones: Immune cells single out melanoma tumors

    Scientists can extract immune system cells that recognize tumor cells from people with melanoma, culture the rare cells to greatly increase their number, and inject them into the patients, sometimes putting the brakes on cancer.