Word: elements
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Dates: during 1930-1939
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...students during lunch time. But Director-General Ogilvie comes to BBC at a time when there is talk of spending ?1,000,000 to double Broadcasting House facilities, when the daring television venture needs careful nursing, when BBC's critics are calling for a return of the human element to their efficient but relatively austere radio machine...
...doctors who read the report which Dr. Large and a chemist colleague. Dr. H. N. Brocklesby, published in last week's Canadian Medical Association Journal, it looked as though another form of diabetes relief, this time herbal, had come out of Canada. What element in the vegetable devil's-club made it apparently do the same job as the glandular product insulin was not revealed...
...mineral timepiece scientists have used uranium-lead, which is one of the "dead" end-products remaining after the radio-active element uranium has spent its ray energy...
...valuable new secret about ordinary lead, which has been kept from scientists by a peculiar feature, is that the relative proportions of the isotopes of this metal vary from sample to sample. Isotopes are atoms of the same element which differ in weight...
Technically known as a mass spectrometer, Dr. Nier's instrument is designed to detect the presence of rare isotopic forms and also to give the most accurate measures even made of the relative abundance of different isotopes present in an element...