Word: landed
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Dates: during 1950-1959
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...money to buy supplies. Lament Men Maurice Ewing and Bruce Heezen, both members of an oceanographic subspecies whose real interest is the bottom, told how the Vema's probing-on-a-shoestring may have solved the ancient mystery of how the earth got its oceans and its solid land...
...similar earthquake centers in unsounded parts of the oceans. By last week the Lamont men could trace the cracks 40,000 miles clear around the earth (see map). As in the Atlantic, the cracks generally follow the tops of rises in the ocean bottom. They stay midway between large land masses, but in a few places they run ashore, forming, for instance, the steep-sided Jordan Valley and the famous rift system in East Africa which contains both Lake Tanganyika and the Red Sea. Another crack runs ashore in Mexico, to form the Gulf of California and the Imperial Valley...
...charged particles instead of hot gases may be the solution to the problem of long-range flight. During interplanetary voyages, a spaceship will pass through lashing streams of plasmas shot out of the sun, and its designers had better understand them well in advance. If a spaceship tries to land on a planet, it will meet another plasma problem. A group of Harvard scientists plans to simulate the atmospheres of Mars and Venus to see what sort of plasma will be created by a body entering them at spaceship speed...
...median schooling of adult Americans has risen to 10.8 years (and will be 12.2 by 1965). Against 95,000 graduates in 1900, U.S. high schools this year produced 1,500,000, and half of them are going to college. And out of public schools in every corner of the land have marched armies of the nation's future leaders...
...summer season closed, museums and communities began dismantling the huge group shows, designed to satisfy tourists and help artists, that have become customary across the land. In size, the shows had often been barbaric. Visitors strolled through the exhibitions as if in a forest, ignoring the fact that any painting or sculpture worth seeing at all requires long contemplation...