Word: usefully
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Dates: during 1930-1939
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...Massachusetts Institute of Technology suggested a way to improve propeller performance in the substratosphere: bigger propellers, designed to take bigger bites of air to make up for slower turning speed. For a starter they suggested 20-foot propellers, nearly twice the size of the largest now in use...
Said the physicians: "There are perhaps some circumstances which might justify the use of exchange transfusions in the human species. However, application to human subjects should be considered only after a thorough study of the technique and full appreciation of the many attendant dangers...
...however, were the doctors willing even to suggest any use (such as temporary relief of uremia) to which the method might eventually be put. But Mr. Pepys, willing like most laymen to rush in where scientists fear to tread, ventured 272 years ago to draw a conclusion from the experiment he described. Said he: "This did give occasion to many pretty wishes, as of the blood of a Quaker to be let into an Archbishop, and such like; but . . . may, if it takes, be of mighty use to man's health, for the amending of bad blood by borrowing...
...child of a third person. The identity of the donor is kept secret, and if he is married his wife must give her written consent as well. 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...
...proposal separately. 'The committee adjourned for two days. When they reappeared they brought, contrary to expectations, no plan for war with the Administration, but a conciliatory program, in substantial agreement with that of the National Health Conference. Proposals: 1) The health of impoverished persons should be protected by use of Federal and State funds when necessary; 2) A Department of Health should be established with 'a physician as Cabinet member; 3) Public health, maternal and child welfare service should be expanded; 4) Better use should be made of existing hospital facilities and new buildings should be constructed only...