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Word: disproof (lookup in dictionary) (lookup stats)
Dates: during 1930-1939
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Usage:

...Other practical suggestions made by Drs. Frances Isobel Seymour and Alfred Koerner of Manhattan : 1) A physician should never consent to use a relative as donor. Too many emotional complications may follow. 2) A donor's blood group should correspond to that of the husband so that legal disproof of the child's paternity is impossible without presentation of the double-signed agreement...

Author: /time Magazine | Title: Medicine: Proxy Fathers | 9/26/1938 | See Source »

...noch" (Prize still stands). Krieger doubted, however, that Adolf Hitler would allow the money to leave Germany, especially since the claimant was conspicuously non-Aryan. A matter which he apparently overlooked was that the prize is offered for proof of the theorem, whereas his solution, if valid, would constitute disproof...

Author: /time Magazine | Title: Science: Eureka! | 3/7/1938 | See Source »

...Lamarckism began to fade from the evolutionary picture after 1900, when Johann Gregor Mendel's work on the heredity of garden peas was rediscovered and the theatre of heredity was found to be in the genes and chromosomes of the germ cells. The classic experiment in disproof of Lamarckism is to snip off the tails of generation after generation of newborn mice. If this acquired lack of tail could be inherited, the mice should be born with smaller & smaller tails; but the baby mice persist indefinitely in appearing with fine long tails...

Author: /time Magazine | Title: Science: One Against Darwin | 9/23/1935 | See Source »

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