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What's the fastest a human can run the 100-meter sprint?
Until 1954, common wisdom and scientific knowledge considered a sub-four-minute mile an impossible feat for a human. But then Roger Bannister broke that mark, followed quickly by a host of other athletes. Today the world record stands at 3 minutes, 43 seconds, yet even that number doesn't tell the full story of how fast humans can run a mile--records are a mark of how well people have...
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