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Michael Phelps set another record at the World Swimming Championships in Melbourne today, becoming the first man to break the 1:53 barrier in the 200-meter butterfly, and producing the biggest time drop in the event in 48 years. "I feel like a 12-year-old," the 21-year-old said," being able to drop more than a second off my best time."

Phelps has collected three gold medals and two world records thus far in the competition. He swam the 200-meter freestyle in 1:43.86 and the 200 fly in 1:52.09. In the butterfly, he crushed the competition with a margin of  3.04 seconds. Phelps remains on track, the AP said, to win eight golds. (Read more Michael Phelps stories.)