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+13 +1The NASA Guide to Air-Filtering Houseplants
Houseplants are not something you would typically associate with NASA, but in the late ‘80s the US government agency joined forces with the Associated Contractors of America (ALCA), to determine the most effective indoor plants for removing toxic agents from the air. By Connor MacDonald.
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+7 +1Strange Pumping Effect above Asia Threatens the Ozone Layer
An atmospheric mechanism is lofting Indian and Chinese pollution into the stratosphere. By Jane Qiu.