美国科学60秒 SSS 2015-04-24

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what's better than old one and new bottles, for scientists, old one and old bottles preserved one hundred feet down at the bottom of the sea. In 1910 Divers¹ worked in a shipwreck² and  discovered 168 bottles of what appears to be one. A quick sweak from one of the long submerged bottles revealed that the liquid was in was actually champagne³. The labels were long gone but the brand reveals that the producers to be stored champagne houses including the click upside down. Brandings along with the other items on board  help researchers to determine that the champagne was about 170 years old. Now the scientists have analyzed⁴ the contents of the bottles and compare them to modern champagne. They found the 1900 century bubly has lower levels of alcohol. According to historical records, the fermatation happened later in a year and does now so the culture temperature along with to a less efficient alcohol conversion⁵. and the old one has significantly higher sugar content. The research team determined⁶ that the extra sweetness likely came to grape added to the champagne before corking⁷. The work is in the journal proceedings⁸ of the national academy of sciences. Scientists say the still marine⁹ water are excellent environment for wine storage, that is if you don't mind a deep dive before serving. 

Thanks for the minute. for scientific Americans 60s science.    

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