Bubbles on the side of beer, cider, or even champagne glasses that haven't been properly cleaned. What starts out as a mild ...

The drink world keeps changing so fast. New tastes pop up quite suddenly. Exciting marketing grabs people’s attention quickly ...

The most famous packing problem concerns spheres. In 1611, the astronomer Johannes Kepler proposed that the densest way to ...

Even absent any obvious smudges or smears, beer professionals can tell just by looking if a beer has been poured into a dirty ...