‘Green’ lightbulbs poison workers
By Richard Chasey, posted on May 8th, 2009 in Health, Sustainability, Technology
Originally Published by Times Online
The dark side of energy efficient light bulbs becomes apparent as the effects of mercury used in their manufacture pile up.
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NASA Image of the Day
Tweetup at HQ
NASA astronaut TJ Creamer talks about his experience in space during a "Tweetup" at NASA Headquarters, Thursday, July 29, 2010, in Washington. Creamer, who spent 161 days living aboard the International Space Station as part of the Expedition 22/23 crew, set up the orbiting outpost's live Internet connection and posted updates about the mission to his Twitter account, sending the first live tweet from orbit. Image Credit: NASA/Paul E. Alers
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