Word: known
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Dates: during 1970-1979
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...billion synthetic-fuel program that, among other things, would turn the nation's vast coal deposits into oil and gas. But of all the old and new sources of petroleum now being freshly examined, none is more promising or as controversial as the oil-bearing rock known as shale...
This is the Piceance Basin, the heart of a geological formation containing the world's biggest known deposit of oil shale. Locked in the mottled rock is the energy equivalent of about 1.2 trillion bbl. of oil, or roughly 40 times the nation's present proven reserves of liquid petroleum...
...numbers of patients (an estimated 100,000 people undergo treatment in the U.S. each year), no one is exactly sure how ECT works. According to one theory, the seizure affects the hypothalamus, a portion of the brain regulating production of the body's mood-controlling substances. What is known is that patients often do not recall either the treatment or any events immediately before it. But critics of ECT, even as it is practiced today, say that it can also cause permanent brain damage, including a loss of memory of events in the more distant past. Still, any evidence...
...England, Ardizzone, whose style has been likened to Hogarth's and Rowlandson's, served as an official combat artist during World War II, before returning with pen and brush to less serious fare. He illustrated nearly 100 children's books; Magic Carpet, one of his best-known paintings, was reproduced by UNICEF for its collection of international Christmas cards...
DIED. Yvonne de Gaulle, 79, widow of French President Charles de Gaulle and known throughout France as "Aunt Yvonne"; in Paris. The daughter of a wealthy Calais biscuit manufacturer, she was a loyal and uncomplaining supporter of her husband's tumultuous military and political career. She joined him in exile in Britain during World War II and in 1943 courageously accompanied him to Algiers. Preferring to live in the shadow of her husband, she avoided publicity and spent much of the past decade gardening and doing charitable work in the quiet seclusion of La Boisserie, the family...