Cheesy, metallic, sweet: 170-year-old champagne is clue to [winemaking’s past](http://www.nature.com/news/cheesy-metallic-sweet-170-year-old-champagne-is-clue-to-winemaking-s-past-1.17361)

https://plus.google.com/104690520542755773559/posts/YqrMbkh9ffA