Word: barriere
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Dates: during 1940-1949
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...deeper. Very concrete factors, chiefly the shortages of both funds and qualified personnel, must take a sizable share of the responsibility. But neither of these is an insurmountable obstacle--the financial problem must necessarily remain as a difficulty ever-present, and can hardly be offered as an impassable barrier against any future progress; the question of personnel deficiency is essentially a short run matter. Both of these should be causes of temporary reduction, not permanent de-emphasis of tutorial...
...that misunderstandings work both ways: "The barbarians think we are barbarians." UNESCO's Bernard Drzewieski, a pint-sized Pole, pointed up UNESCO's need: "In some parts of Greece and Poland there are 50 kids to one pencil." But Drzewieski himself had trouble with one small cultural barrier: he attributed the dream of "the new city of Friends" to "Walter" Whitman...
...proposal finally adopted opposed "military aid" to Greece but held that an effective barrier to communism would be erected by the "removal of those conditions of poverty which make communism possible...
...that certain medicines and serums injected into the blood stream do not get through to the brain nerve centers? Intravenous injections of anti-tetanus serum, for example, fail to check tetanus once the poison gets into the central nervous system. Dr. Stern decided that there must be a barrier (a filtering membrane), developed to protect the nerves and spinal fluid from harmful substances and most germs. She called this block the "hematoencephalic barrier...
...around the barrier, thought Dr. Stern, why not inject medicines directly into the nerve centers in the brain? She first tried this dangerous experiment on dogs, got some astonishing results. Calcium solutions, injected into the blood stream in large doses, act as stimulants. When Dr. Stern injected a few drops of a calcium salt solution into a dog's brain, the effect was exactly opposite to the one expected: instead of being stimulated, the dog tottered, collapsed, in a few minutes fell fast asleep. When she injected potassium phosphate, the dog had a case of frenzied jitters...