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23 ore fa · Jack Williamson used the term in his science fiction novel Dragon's Island, published in 1951 – one year before DNA's role in heredity was confirmed by Alfred Hershey and Martha Chase, and two years before James Watson and Francis Crick showed that the DNA molecule has a double-helix structure – though the general concept of direct genetic manipulation was explored in rudimentary form in ...
23 ore fa · This starts the Space Race between the Soviet Union and the United States. The 1950s (pronounced nineteen-fifties; commonly abbreviated as the " Fifties " or the " '50s ") (among other variants) was a decade that began on January 1, 1950, and ended on December 31, 1959. Throughout the decade, the world continued its recovery from World War II ...
