Word: understands
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Dates: during 1980-1989
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...understand American defense, think of an extremely wealthy man who has gone to a gambling casino for a long binge, gotten hopelessly drunk, wasted a great deal of his money and awakened with a severe hangover to find that he has married a woman who is a complete stranger. The man's condition is scarcely fatal, but scarcely one to be desired...
Before dealing with the core, though, scientists had to understand the intervening mantle, through which all seismic information has to pass on its way to the surface. Explains Dziewonski: "If it's a faulty lens, you're going to have a wrong image." By 1984 the Harvard group had assembled the first detailed map of the mantle ever published. Their data consisted of the patterns of earthquake-generated pressure waves that passed through the solid earth, moving faster through cooler regions of the mantle and more slowly through warmer areas...
...more than just the confusing differences in the velocity of pressure waves; it could also help explain the mystery of the origin of the earth's magnetic field, as well as its unexplained reversals. About once every million years, magnetic north and south inexplicably exchange places. Scientists do not understand whether this phenomenon comes about gradually, say, over thousands of years, or all at once. One idea, advanced in recent years, is that turbulent eddies within the core-mantle boundary somehow give rise to electromagnetic disturbances that trigger the reversals. A rain of iron particles, say some scientists, might supply...
Walters and her attorney said they think the latest development shows that Garrity might understand the definition of sexual discrimination which they are using...
...feel that the jury understood it, and with Judge Garrity's most recent decision that he's beginning to understand it too," said Walters, who has said throughout the trial that her goal throughout the proceedings has been to make people understand that sexual discrimination does not have to be sexual in nature...