Web edition: September 23, 2011
Print edition: October 8, 2011; Vol.180 #8 (p. 4)
ENVIRONMENT
Plastics sloughed off clothing can pollute coastlines. See “Synthetic lint ends up in oceans.”
Arctic sea ice this year was near its smallest extent on record. Read “Summer Arctic melt among worst ever.”
GENES & CELLS
Natural killer cells are caught in the act of feeding poison pills (below) to tumors. See “News in Brief: Genes & Cells.”
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