Your beer can tell you where you've been, according to a new study by researchers in Utah. No, not because of the strength of your hangover -- it's all about chemistry.
Beer, bottled water and soda have a natural chemical signature related to geographic location, and drinking them leaves a chemical fingerprint in your hair. The fingerprint could be used to track your travels over time, according to the study, published in the Journal of Agricultural and Food Chemistry.
Could you live in a future without bottled water? In Concord, Mass., 82-year-old Jean Hill hopes so. Her campaign against what many see as an environmental evil has moved the town to vote for an outright ban, as the New York Times covers today.