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Written by Terry Firma

Category: Technology

Published: 22 March 2009

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Researcher Kamal Meattle shows how an arrangement of three common houseplants, used in specific spots in a home or office building, can result in measurably cleaner indoor air.

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Written by Terry Firma

Category: Technology

Published: 21 March 2009

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Every year, more than 18,000 tons of "dead" batteries are tossed into landfills, mercilessly left there to ooze heavy metals into water and soil. Luckily, this is a problem with a simple solution -- and Umbra's advice will recharge you.