Word: hitherto
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...greater maneuverability, since the boat can be stopped on a dime, turned on a quarter. Hitherto, variable pitch propellers have not been practical for any boat larger than small launches...
Within a Year. Another second-front mass rally was held in Trafalgar Square; 60,000 attended. Editor William Rust of the Daily Worker read a message from 500,000 C.I.O. workers, another ("What are we waiting for?") from onetime Cockney Charlie Chaplin. The small but vocal Communist Party, which hitherto has stuck by the Churchill all-out war policy, scattered second-front leaflets and chalked up signs all over London. A workers' band in black & red uniforms perched on the top of the Square's air-raid shelter and played the International and God Save the King...
Nazi U-boat commanders have good cause this week to cry: Achtung! (Look out!) and crash-dive. Coming at them at hitherto unattainable speed is an improved type of U.S. subchaser powered by an extraordinary new engine and driven by an extraordinary new propeller...
...major mystery is how the animals maintain their fixed cycles in spite of all such interference. Zoologist Elton concludes that the master factor is still unknown. He believes it may prove to be of a hitherto-undetected meteorological nature, hints at possible interstellar influences...
...Certain types of cancer in mice, especially breast, are caused by "poisonous" hormones brewed in the endocrine glands along with normal hormones. Problem is to discover what these cancer-causing hormones are. New, hitherto undescribed glandular substances have been isolated from the urine of patients. This may in time "provide a technique of almost unimaginable scope" for: 1) investigating cancer in early stages by examining urine; 2) treating the cancer by neutralizing abnormal hormones...