Did you know that water expands by 9% when it freezes? Did you know that the optimal serving temperature for most beer is 37-45 degrees Fahrenheit? Did you know that only 8% of an iceberg is above the water? Did you know that one of the theories of where the phrase "Rule of Thumb" originated is beer related? It was before the advent of the thermometer when brewers tested the temperature of their maturing brews with their thumbs: too cold, and the yeast would not grow, too hot, and it would die. Did you know that when water freezes, its volume increases while its density decreases? This is why ice floats. Did you know that beer is the second most popular beverage in the world, second only to tea?