"I would love to go further than that (quarterfinals) and I know my fellow American players would love to as well, " Isner told Open Court at this month's San Jose Open, which is folding after 125 years of existence at various Californian venues.

CNN: March 4, 2013 -- Updated 1608 GMT (0008 HKT)

Since 1994, researchers have confirmed the existence of more than 700 planets circling various stars, with more than 2, 000 additional candidates under study by astronomers around the world.

WSJ: Galaxy Hosts 100 Billion Planets, in New Estimate

Since 1994, researchers have confirmed the existence of more than 700 planets around various stars, with more than 2, 000 additional candidates currently under study by astronomers around the world.

WSJ: Galaxy Hosts 100 Billion Planets, in New Estimate

Some of the arguments he traces are familiar, from various attempts to prove the logical necessity of the existence of god to speculations among more adventurous physicists that the universe got its start as a kind of lucky quantum burp.

ECONOMIST: The question of existence

It presupposes this existence when it appeals to empirical evidence to verify its various theories.

FORBES: Book Notes: The (Zookeeper) God That Failed

Various pieces of economic research show that they do, simply by their existence, increase the GDP of places that have them.

FORBES: Why High Speed Broadband Fibre Is Becoming Irrelevant

The set of coins' existence was unknown until Brown sold them in 1920, and they remained together - although with various owners - until 1942.

BBC: Rare Liberty Head nickel sells for $3.1m