SN Online

Plastics sloughed off clothing can pollute coastlines. See “Synthetic lint ends up in oceans.”

G.D. Rak et al/PLoS Biology 2011

Arctic sea ice this year was near its smallest extent on record. Read “Summer Arctic melt among worst ever.”

Natural killer cells are caught in the act of feeding poison pills (below) to tumors. See “News in Brief: Genes & Cells.”