Word: strains
(lookup in dictionary)
(lookup stats)
Dates: during 1980-1989
Sort By: most recent first
(reverse)
...quality of mercy is not strain'd, it droppeth as the gentle rain from the heaven upon the place beneath."--Shakespeare, Merchant of Venice...
...antibody-producing B cells designed to combat a specific virus, immunity to that virus often lasts for decades, or even a lifetime. Then why does the common cold return again and again? One reason, scientists explain, is that colds can be caused by any one of hundreds of strains of bugs, most of them belonging to a group called the rhinovirus. A new cold can be brought on by a strain the immune system has not previously encountered...
Arms control is one way -- perhaps the most efficient way -- to effect that change. The American Strategic Defense Initiative disturbs the General Secretary not because it would render nuclear weapons impotent and obsolete, as Reagan puts it, but because the effort to build their own Star Wars system could strain the Soviets' treasury...
These threatened ecosystems have already proved a valuable source of medicines, foods and new seed stock for crops. Nine years ago, for example, a strain of perennial, disease-resistant wild maize named Zea diploperennis was found in a Mexican mountain forest, growing in three small plots. Crossing domestic corn varieties with this maize produces hardy hybrids that should ultimately be worth billions of dollars to farmers. A great many of the prescription drugs sold in the U.S. are based on unique chemical compounds found in tropical plants. For example, vincristine, originally isolated from the Madagascan periwinkle, is used to treat...
Meanwhile, Daniloff continued his daily routine of jogging five miles along the Moscow River embankment. The strain of detention, though in the comfortable surroundings of the U.S. embassy, where he has been staying since his release from Lefortovo Prison more than two weeks ago, has taken its toll: a doctor at the embassy is worried about the correspondent's continued high blood pressure. Despite the hopes for a settlement, Ronald Reagan has stood firm in insisting that Daniloff is an "innocent hostage who should be released." As long as he remained in the Soviet Union, a summit would be held...