Word: knowns
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Dates: during 1970-1979
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Incredible. You ignored Muhammad Ali, the world's best known American...
Even so, Lawrence often wishes he were back hunting lions. Most marijuana smugglers bring in hard drugs as well, and they kill people who get in their way. Known smugglers often park on the street opposite Lawrence's home. He is convinced they have "studied" every member of his family down to his eight grand children. He has survived more than a dozen shootouts with high-powered guns He has been offered bribes up to $250,000 "The whole thing is greed," he snorts "You have to meet 'em head...
...cancer's great puzzles is how malignancies escape detection and destruction by the body's protective immune system. Cancer cells are known to carry distinctive surface proteins that should act as antigens, immunological alarms. Normally, the bodily defenses respond by alerting and marshaling antibodies, lymphocytes and macrophages, which attack the unwanted cells. But in the case of cancer, the attack is stifled or never gets under...
...women. Writing in the British journal Lancet last week, Researchers Christer Bergquist, Sven Johan Nillius and Leif Wide of the University Hospital of Uppsala, Sweden, reported progress toward an unusual goal: the development of a nasal spray contraceptive. In their work, they used a derivative of a hormone known as LRH (for luteinizing hormone- releasing hormone). In high daily doses the experimental chemical inhibits ovulation by curtailing the secretion of still other hormones called gonadotropins, essential for the maturing and release of the eggs...
...MALE MENOPAUSE A MYTH? Though it has long been known that male sexual ability declines with age, doctors have never been sure of the reason. The most widely accepted explanation among scientists is that levels of the sex hormone testosterone drop after reaching a peak between ages 20 and 30, producing in effect a "male menopause." Now that theory has been challenged. In a study of 73 men, from 25 to 89 years old, Dr. S. Mitchell Harman and fellow researchers at the National Institute on Aging confirmed that there was decreasing sexual activity with advancing years but that levels...