Word: nuclei
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Dates: during 1930-1939
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...high-velocity particles from the apparatus are applied by the physicist and chemist to the study of the nuclei of atoms...
Among the newly discovered objects reported were two spiral nebulae, un-usual in that they possess no concentrated nuclei; and a Magellanic Cloud in the constellation Cetus, a new member of a class of irregularly shaped, conglomerate stellar systems...
...practically no training. After more than ten years of impatient plodding, shaggy-thatched Phoebus Levene made a name for himself, and by 1907 he was an outstanding member of the Institute. One of his most famous contributions is his detailed picture of the chemical structure of nucleic acids. Nuclei acids are constituents of cell nuclei and their chromosomes, tiny inheritance carriers which exist in the dividing cells of plants and animals. He is also world renowned for his work in vitamins, hormones, amino-acids...
...primarily by gestures like this--isolated and infinitesimal though they may seem in themselves--that international relations are promoted. These scholarships may well result in nuclei of good faith toward the United States, which will diffuse and permeate large portions of South American opinion...
...observatory. It houses no telescope but a powerful atom-smasher, one of the two biggest in the world. The other is being readied at East Pittsburgh by Westinghouse Electric. Last week, after years of planning and construction, the Carnegie monster started its first test runs, hurling streams of protons (nuclei of hydrogen atoms) into a quartz plate at 5,000,000 volts...