Word: hosted
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Dates: during 1990-1999
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...Stewart takes over as host of Comedy Central's The Daily Show...
...emphasizes the "symbiotic" relationshipbetween universities and their host towns. Thecity benefits from increased jobs and business, hesays, but because universities don't pay taxesthey can cause difficulties for city managerstrying to balance their budgets...
Most of us can't remember our first vaccination, but chances are, it was a shot filled with a crippled microbe or perhaps parts of the bug's proteins--just enough to produce a mild infection but not the full-blown disease. Immunizing people against a host of infections in this way has worked reasonably well for more than a century, but geneticists think they can do better...
...begun rearranging DNA molecules in test tubes (and, equally important, reinserting the novel DNA segments back into living cells) than critics began likening these "recombinant" DNA procedures to the physicist's power to break apart atoms. Might not some of the test-tube-rearranged DNA molecules impart to their host cells disease-causing capacities that, like nuclear weapons, are capable of seriously disrupting human civilization? Soon there were cries from both scientists and nonscientists that such research might best be ruled by stringent regulations--if not laws...
...claimed the life of the famed "bubble boy" in 1984. Because of a faulty gene, the T cells of her immune system were unable to produce an enzyme, ADA, necessary for their survival. As they died off, Ashi's immune system virtually shut down, leaving her vulnerable to a host of common childhood diseases, some of which could have killed...