Mercury is sold commercially (and is almost always quoted in spot metal guides) as X amount of dollars per flask. The flask, the standard industrial unit in which the metal is available, weighs 76 pounds (about 34.5 kg). The current price of a 76 pound flask can be discovered by using the link below.
Power Ranking the Top 20 Men's Tennis Players After U.S. Open 2013. Rafael Nadal may have won the 2013 U.S. Open title, but Novak Djokovic is still the No. 1 ranked player in the world. The final showed some of their best tennis, and that both players are far ahead of the rest of the ATP tour.
Tennis is undergoing a similar transformation toward superathletes. In May 1990, 12 of the ATP's top 20 players were 6 feet or under; only one, Andres Gomez, was at least 6-4. Today, six of the top 20 are 6 feet or under, with six 6-4 or taller. Jimmy Connors, the all-time men's leader with 109 singles titles, was 5-10; John McEnroe was 5-11.