Word: correctives
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Dates: during 1980-1989
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...level, Republican Governor George Deukmejian, who is also a University of California regent, did not commit himself to support a divestment either from state pension funds or from the university. But he gave divestment advocates hope, saying, "The divestment method might be a very effective tool in helping to correct the racial oppression that exists in South Africa...
Finally, the assertion that few Women's Studies papers exist is simply correct--as any glance at a notice board will indicate there is a tough fight going on here as many women try to gain legitimacy in scholarship for their concerns. The editors do an active disservice by not going out and soliciting papers on Women's Studies. Good intentions are not enough. Informed and energetic editing is the only way to represent the reason we are all here--to think. Steve Harney...
Whether these catastrophic impacts are random or cyclic remains to be seen. But if they occur at all, they could shake the foundations of evolutionary biology and call into question the current concept of natural selection. Should the Alvarez theory be correct, says Harvard Paleontologist Stephen Jay Gould, the importance of competition between species diminishes. If every so often a megablast opens up a broad array of ecological niches, then new creatures can flourish without having to crowd out the old. "If you ask the question, 'Why are we here?' " says Gould, "the answer is, 'Because the dinosaurs disappeared...
...theory is correct, the next catastrophe will not occur for at least 13 million years. But the effect of the new concept on science and scientists has been much more immediate. One measure is the ferocity of debate it has generated in the past few months among eminent researchers, at conferences and in the letters-to-the-editor columns of major newspapers and staid journals alike. Supporters of the Milky Way proposal dismiss the Nemesis notion as "unlikely" and "ad hoc," and death star advocates are scornful of the galactic concept. Many consider all the newfangled extraterrestrial scenarios...
...dust cloud would have bumped Nemesis out of orbit long ago, certainly before it could come back through the Oort cloud a dozen times. Says Shoemaker, who has been something of an impartial judge in the periodicity controversy: "I give this idea less than a 1% chance of being correct...