Word: celling
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Dates: during 1980-1989
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...13th century work called the Universal Chronicle of Metz. The only Pope who never existed even in legend was John XX, whose nonexistence apparently occurred because John XXI (1276-77) was mistaken about the number of his predecessors. John was a bookish type who ordered a special cell built for his studies; his reign was cut short when the ceiling fell...
...changed modern society. Over the span of 60 years, Bell Labs has generated 21,000 patents, one for each of the institution's working days and then some. More than mere inventions, the patents cover breakthroughs that have launched entire industries--developments such as the transistor, the solar cell and satellite TV. Meanwhile, scientists at Bell have raked in seven Nobel prizes and, in the process, inspired some legends...
...Cell Biology...
Because so little is understood about how HTLV-III attacks the body, much of today's clinical research is directed at determining exactly how the virus interacts with the white blood cells. Both Hirsch and Groopman are involved in this basic work, labelled cell biology...
Both Groopman and Hirsch have found in laboratory tests that HTLV-III attacks not only the T-helper lymphocytes, but also another type of white blood cell, called a macrophage, that has been linked to cells in the brain. The macrophage or disease-fighting white blood cell is not killed by the virus, Groopman says, but instead is used as a breeding ground...