Word: triggering
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...world. After Darwin theorized on the origin of species in 1859 it was soon acknowledged that new species do evolve from older ones in a gradual process. Possible beginnings of new species have since been recognized, catalogued and thoroughly investigated, but geneticists still remain ignorant of just what mechanisms trigger them. Now there is hope that a new thread of inquiry might begin to unravel the mystery. A new species appears to be developing in a laboratory...
...will be offstage in the bathroom brushing his teeth. His wife, in the adjoining bedroom, calls out something. Suddenly the man appears, stark naked, toothbrush in hand, saying, "You know I can't hear you when the water's running." According to the playwright, this will trigger a "shock of recognition" in the audience, penis pity, perhaps...
...useful drug is aspirin, and it is remarkably safe for most adults. But each year, almost 150 U.S. children die of aspirin poisoning, and more have to be rushed to a hospital to have their stomachs pumped out. For in the young, aspirin dosage is a matter of hair-trigger sensitivity...
...survival figures are 55% and 65%. Astonishingly, the chances of a successful transplant from an unrelated living donor are less than half as good as those for kidneys from unrelated cadavers. Just why, no one knows; perhaps a dying man's kidney loses some of its power to trigger the rejection mechanism...
...heat shield on an ICBM warhead, for example, the outer shield can be made to take the brunt of X-ray damage, leaving the inner shield to protect the warhead as it descends through the atmosphere. A neutron-blocking layer of paraffin or liquid hydrogen can prevent the uranium trigger from fissioning prematurely. Installation of more rugged electrical components and addition of bypass circuits reduce the possibility of damage from the surge of current caused by an electromagnetic pulse...