Word: experimental
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Dates: during 1980-1989
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In a series of studies coordinated by Dr. Charles Moertel of the Mayo Clinic in Rochester, Minn., researchers tested a combination of two drugs: 5- fluorouracil, a proven anticancer agent, and levamisole, a medication commonly used by veterinarians to clear worms from the intestines of animals. Included in the studies...
NASA has gone to extraordinary lengths to make sure the RTGs are safe. Each of the 144 plutonium pellets in the generators, designed by General Electric, is surrounded by an iridium shell. Coated pellets are then encased by two graphite shells and finally by an aluminum shroud. The U.S. Department...
To the north, more than 20,000 Canadian vehicles are powered by compressed natural gas, which virtually eliminates the sources of smog. The relatively low price of the fuel -- some 80 cents per gal., vs. $1.75 for gasoline -- tempts bus and taxi owners to pay the $2,500 that it...
This general procedure was created initially by I.I. Rabi, a Nobel laureate who was Ramsey's Ph.D adviser at Columbia. Ramsey improved on Rabi's method by separating the oscillating field into two smaller fields, which increased the precision of the experiment and the accuracy of the measurement.
Harvard is one of the few colleges that asks students to focus on a concentration as early as their first year. Other schools, including Yale and Princeton, allow students to dabble more in different departments and choose a major later in sophomore year. Obviously, students at Harvard continue to experiment...