" Unexplained, obscure matters are regarded as more important than explained, clear ones. "
Friedrich Nietzsche

Back in the day


Kasparov Beats Deep Blue

Kasparov is a chess grandmaster and one of the strongest players in history. He was the youngest person to become the World Chess Federation's World Chess Champion, a title he held from 1985 until 1993. In 1996, Kasparov played two matches against a super-computer called "Deep Blue," capable of evaluating 100 million positions per second. He lost the first game, but rebounded in the next five games to beat the machine. What happened when Kasparov faced the computer in a rematch a year later?



Tooth Decay

Tooth decay is a common health problem, second in prevalence only to the common cold. About 75% of all people have had their first cavity by the age of 5. Decay is caused by 3 factors: plaque bacteria, sugar, and a vulnerable tooth surface. Although several microorganisms can cause tooth decay, the primary disease agent appears to be Streptococcus mutans. If left untreated, decay can lead to tooth loss, infection, and, in severe cases, death. What drugs can lead to rampant tooth decay?

Born on a day like today


Michael Jordan

Considered by many to be the greatest basketball player of all time, Michael Jordan ended his career with a regular-season scoring average of 30.1 points per game, the highest in NBA history. He won six NBA championships, was league MVP five times, and earned two Olympic gold medals. Jordan's mid-air acrobatics and slam dunk skills are legendary and earned him the nickname "Air Jordan." After retiring from basketball in 1993, Jordan surprised fans by beginning a career in what sport?

Last updated on Tuesday, 17th February 2009

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