Word: occurred
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Dates: during 1930-1939
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This potentiality of the virus molecule may occur in other kinds of protein molecules and may provide the fundamental clue to the stupendous variety of nature...
Although the President's Message demands several days for thorough digestion, several matters stand out most significantly from the main body of thought. First, he has demolished the wild, pre-election talk of "dictatorship", declaring pointedly that "change (in the presidency) will occur in future years." Second, the tenor of his speech, as was expected, is decidedly paternalistic, brim full of suggestions for changes leading to increased national power...
Interstellar Gas. Until this year the only gases known to occur in interstellar space were sodium and calcium. Ordinarily these metallic elements must be strongly heated before they vaporize, but in the utter cold of space, close to absolute zero, they exist in exiguous quantities as free molecules and therefore as gases. In the ultraviolet range of the spectrum of the stars Chi 2 Orionis and Chi Aurigae, Astronomers Walter S. Adams and Theodore Dunham Jr. of Mt. Wilson Observatory found four lines (one of them almost blotted out by the interference of Earth's atmosphere) which they identified...
...hostility in his boyhood, more when he got to college, but before Hitler "race hatred and the Jews were interesting subjects, but not pressing." Now he found that even in Hollywood Jewish actors and executives were jolted out of their complacency by the realization that "a pogrom could actually occur in a highly civilized country in the Twentieth Century." To study anti-Semitism at work, and write a book about it, he went to Germany, which left him still puzzled so he went on to Poland, then to Palestine, to Soviet Russia. He wound up with a mass of information...
Commented Dr. Alvan Leroy Barach, Manhattan pneumotherapist who is largely responsible for the use of oxygen to treat weak hearts (TIME, April 6, 1931): "Accidents from fire in oxygen tents or in oxygen rooms are extremely rare. When they do occur, they are caused by some reckless action on the part of the patient, such as lighting cigarets. This man must have lit a cigaret. The theory that a spark might have flown from the motor over to the oxygen tent is untenable...