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| An image of the carbon dioxide flowing out of a glass of cold champaign. From Gérard Liger-Belair of the University of Reims Champagne-Ardenne, in France where else? (J. Agric. Food Chem., DOI:10.1021/jf101239w). The carbon dioxide is colder than the room air, and it is heavier than air as well. |
6 months ago
