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But putting their baggies in the river actually slowed the process down. This tracks with the science; according to Scientific American, room-temperature cream turns to butter much faster than cold cream because the molecules move more quickly at higher temperatures. Of course, if the temperature gets too high, everything will just melt, so their experiment probably wouldn’t have worked on a summer run. All in all, Cope and Arnold said they ran for a total of about an hour, although the actual process took longer because they kept stopping to check on their butter.
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ВВС США призвали Израиль наносить сильные удары по Ирану20:51，更多细节参见谷歌
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