What does champagne left on the bottom of the ocean for 170 years taste like? Leather and wet dog, apparently.Those were the initial findings by a team of scientists and lucky tasters after analyzing a sample from one of the 168 bottles of champagne recovered from a shipwrecked vessel on the Baltic seafloor. Divers had found the sunken trade ship off the Aland Islands of Finland in 2010, and the treasure trove has chemists and connoisseurs curious.After allowing what is thought to be the oldest champagne ever tasted to breathe, however, the researchers were surprised to find an entirely different...