Word: bred
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...cold, gray day in February, and the Radcliffe heavies must face the grim weight circuits, tanks, and ergometers. The crew knows the workouts will get harder, longer. A subdued atmosphere bred by depression engulfs the boathouse, until co-captains Kelly Ronan and Karen Spencer trade quips, start laughing, and the crew loosens...
...spread in Wilmington, Mass., is the world's largest supplier of animals for scientific research. In 1979 the firm netted $3 million on sales of $30 million and paid a dividend of 34? a share. This year the company will dispatch more than 18 million of its well-bred rats, mice, hamsters, guinea pigs, rabbits and monkeys to research laboratories throughout the world, where in the name of science the creatures will debauch themselves gobbling saccharin, lushing liquor and inhaling cigarette smoke...
Charles River critters have a distinguished history in the development and testing of vitamins, antibiotics, insulin, contraceptives and cancer drugs. Now the company has another product: the nude, athymic mouse, a hairless, pink-colored model bred without a thymus, the gland that helps the body develop immunity against outside infection. The first of these mice was an unexpected mutation, which was then bred to other mice in the Charles River labs. Now the company turns out more than 250,000 of these beasts annually. They are especially useful in cancer research because they will not reject a tumor transplant like...
...Sociologist Paul Lazarsfeld demonstrated in his studies of voting behavior that conflict breeds delay in a voter's making up his or her mind. What we are witnessing now in the ups and downs of public opinion poll data is irresolution bred by strong conflict. Its presence means that many voters are going to wait until the last minute to decide. Every electoral race in this campaign, from the primaries to the main bout, is likely to be a cliffhanger, with the opinion polls unable to predict the outcome much in advance of the event...
...group of mice injected with a virus that causes leukemia, a blood cancer. After a month, the interferon-treated mice were in good health; those in an untreated control group had leukemia. Gresser then went on to demonstrate that IF actually prevented leukemia in mice that had been specially bred to develop it. Says he: "The interferon inhibited the multiplication of tumor cells...