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Does it cost more to recycle a plastic bottle than to make a new one?

Does it cost more to recycle a plastic bottle than to make a new one?

– Asks Gloria from Whidbey Island, Washington

By | Posted May 5, 2008

Catching Some Rays

Catching Some Rays

A new experiment uses New York City’s rooftop water tanks as cosmic ray detectors.

By | Posted May 2, 2008

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