Word: artificiales
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Ever since Thomas Malthus' 1798 Essay on the Principle of Population proposed that human fertility would outstrip the ability to produce enough food, human ingenuity has consistently belied such predictions. Books such as Paul Ehrlich's The Population Bomb in 1968 and the Club of Rome's 1972 study The...
She was wrong. The polymerase chain reaction has revolutionized biology and made Mullis famous, though it has not altered his oddball life. A scientific cross pollinator, Mullis, 46, may be the last of the great tinkerers. His passions include cosmology, mathematics, artificial intelligence, virology, chemistry, hallucinogenics, photography and women who...
Conservationists and local residents have managed to stop some developments. Last summer scores of people took to France's Gardon River in canoes to protest a government project that would have brought motorized trains, parking lots, a museum and even a shopping arcade close to the historic Pont du Gard...
UTILITIES. The era of stringing huge dams along the Colorado peaked during the '30s and '40s and is long gone. And the relatively cheap hydroelectricity -- and handsome profits -- generated by existing facilities is now being weighed, and found wanting, in the light of other concerns. One long-running dispute concerns...
Although the centuries-old ethnic, religious and political enmities roiling Yugoslavia must seem very distant to most Americans, the turbulence has immediate meaning. The U.S. is currently engaged in a social debate that pits the virtues of ethnic and racial diversity against the value of a common national identity. Of...