Word: ans
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Dates: during 1920-1929
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If all the human fingers and toes in the world (somewhat more than 30 billion) were free electrons and were multiplied by a billion and again by a billion, all those electrons would weigh just about one ounce avoirdupois. And yet one of those almost weightless electrons, a negative charge...
*In an X-ray tube the cathode shoots a stream of electrons at a hard metal target. The electrons heat up a spot of the metal so that it gives off invisible light rays, the X-rays.
Irénée du Pont, gunpowder & chemical tycoon, who attended the convention as a director of Equitable Life Assurance Society, envisioned a great collateral use for these stupendous sums. Said he: let the insurance companies each year contribute one-eighth of one cent of every dollar of their...
This polymorphous streptococcus is the changeable germ which Harvard's great hygienist Milton Joseph Rosenau told an American Medical Association Convention 13 years ago was probably the cause of many baffling infections.
From the throat of Ruth M. McKinney, one of the graduate staff working for a doctor's degree, they secured the most useful cultures. It was of the polymorphous streptococcus. It "looks like a microscopic chain of unmatched beads which a child has strung together." When this germ collects...