C&EN: Like cold bathwater, unusually cool surface water in the tropical Pacific Ocean can help explain why the average surface air temperature around the globe has slowed its warming trend, a study suggests (Nature 2013, DOI: 10.1038/nature12534). The findings indicate that the global air temperature flattening observed during the past 15 years reflects Earths natural climate variability and is temporary, says climate scientist Andrew E. Dessler of Texas A&M University, who wasnt involved in the study....