Word: ratting
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...middle aged and in pretty good shape, and thus younger and fitter than most people with my flavor of cancer. I figured the slightly elevated heart risk was, for me, a more manageable proposition. That's pure rationalization, of course. The bonus round: for an aging gym rat, Celebrex is a wonder at relieving the aches and pains that come from too much exercise...
...food in a Lao market. Genetic analysis revealed the animal diverged from other rodents millions of years ago, making this the first discovery of an entirely new scientific family-a classification above genus and species-since 1974. The animal's discoverer, Robert Timmins, calls it a Laotian Rock Rat, and said it could represent "the last remaining mammal family left to be discovered...
...elected a Democratic Governor, got rid of saloon smoke, said "Git" to toxic-mining lobbyists and decided that drinking when driving just isn't very American after all. But lest anyone think we're going soft on personal freedoms, Montanans oppose the Patriot Act. We can smell a rat a mile away, and we don't take kindly to the government sneaking things past our good ole red-white-and-blue U.S. Constitution...
Some appear perfectly pedestrian, with the warm white fur and beady pink eyes of pet-store mice. Others are clearly extraordinary, waddling about on paws shaped like miniature dolphin flippers or swollen to the size of their larger relative, the rat. They are called transgenic mice, and in a nobly selfless fashion, they are revolutionizing modern biology. Hidden somewhere along the twisting chain of DNA found in every cell of their bodies are alien genes, injected by biologists. The study of these mutants and the effects of the interloping genes may help provide answers to such fundamental questions as what...
...extremely tricky. A dramatic success occurred in 1982, when Ralph Brinster of the University of Pennsylvania School of Veterinary Medicine, Richard Palmiter of the University of Washington in Seattle and their colleagues concocted a sort of two-part genetic mongrel. They fused a gene that produces rat growth hormone to a powerful regulatory switch cleaved from a mouse gene. That construct in hand, the scientists mated normal male and female mice, and then removed the fertilized eggs from the female before the egg and sperm nuclei had combined. Viewing the cell beneath a microscope and wielding a glass micropipette less...