Word: proof
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Dates: during 1990-1999
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...Problems of Proof...
...Turing's test, a person holds a "conversation" with a person and a computer and then tries to decide which was which. He considered passing this test proof of a computer's ability to think...
...refer patients to back crackers, and some 30 U.S. hospitals have chiropractors on staff. Because almost every nerve in the body runs through the spinal cord, chiropractors maintain that they can treat all manner of ills by "adjusting" the vertebrae. However, beyond the lower back, there is no proof -- aside from reams of anecdotal testimony -- that the method works...
...founder of the National Council Against Health Fraud, he rejects macrobiotics as "not only unproven but a bizarre and dangerous diet for sick people." Aromatherapy is "crazy," he says. "If you are going to claim that something is safe and effective for human disease, you need to have proof...
Even so, the current paralysis constitutes melancholy proof that leaders who can arouse a populace against dictatorship are not necessarily -- or even usually -- equally proficient at forming a new government. Yeltsin's sojourn in Sochi continues a distressing pattern predating the revolution: Yeltsin tends to follow two or three months of intense activity with a few weeks of idleness during which he virtually drops out of sight. Whether the cause is simple exhaustion, a recurring physical disorder (there are rumors of heart trouble) or some psychological hang-up is unclear...