Word: doubleweight
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Dates: during 1935-1935
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Every molecule of pure "heavy water" contains hydrogen of the doubleweight kind identified by Columbia's Harold Clayton Urey in 1931. Long before Dr. Urey was awarded the Nobel Prize for his discovery (TIME, Nov. 26), experimenters were finding that heavy water did strange things to small animals and plants. It killed guppies, tadpoles, flatworms, prevented tobacco seeds from sprouting, dimmed the light of luminous bacteria, made mice appear tipsy and terribly thirsty. Then Professor Ingo Waldemar Dagobert Hackh of San Francisco's College of Physicians & Surgeons guessed that a slow, steady increase in the amount of heavy...
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