Coffee withdrawal

Coffee: It leaves some people feeling fit and refreshed; in others, it makes their heart race. Scientists have developed several decaffeination processes to allow even people who react badly to caffeine to enjoy a cup of ...

Impregnating plastics with carbon dioxide

Everyone has heard that carbon dioxide is responsible for global warming. But the gas also has some positive characteristics. Researchers are now impregnating plastics with compressed CO2 in a process that could lead to new ...

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