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irradiate discuss | |
Definition: | (verb) Expose to radiation. |
Synonyms: | ray |
Usage: | The government regulators insist that we irradiate farm produce so as to destroy bacteria. |
![]() ![]() The Natufian CultureThe Natufian culture existed in the Mediterranean region of the Levant between 14,560 and 11,560 years ago and was unique in that its members established permanent settlements prior to the development of agriculture. While the Natufians were hunter-gatherers, some evidence suggests that they began to cultivate cereals after a sudden climate change threatened their naturally occurring food sources. Natufian sites contain the earliest archaeological evidence of the domestication of what animal? More... Discuss |
KamoseThe final king in a succession of rulers with increasing power, Kamose was the last king of Egypt's seventeenth dynasty. During his brief reign in the middle of the 16th century BCE, Kamose sought to extend his rule beyond Upper Egypt and Middle Egypt into Lower Egypt, which was then controlled by the Hyksos. Kamose launched military campaigns against the Hyksos, the Kushites, and the Nubians, but died in the fifth year of his reign. What happened to Kamose's mummy? More... Discuss |
![]() ![]() US Supreme Court Decides Griswold v. Connecticut (1965)In 1961, Estelle Griswold, executive director of the Planned Parenthood League of Connecticut, opened a birth control clinic for women in deliberate defiance of an 1879 law outlawing the use or distribution of contraceptives. She was arrested and fined. Her appeal made it to the US Supreme Court, which stated in a landmark 1965 decision that married couples had a right to "marital privacy," which included the right to use birth control. When was the same right extended to unwed individuals? More... Discuss |
Original Apple Macintosh Computer Released (1984)Named after the McIntosh variety of apple, the original Macintosh computer was released by Apple Inc. in 1984. Using a graphical user interface and mouse instead of the then-standard command line interface, the "Mac" garnered an immediate, enthusiastic following. However, many software developers shied away from the challenge of rewriting command-driven programs, and there was little software initially available for the new system. How did Apple officially announce the Mac's launch? More... Discuss |
![]() ![]() George Szell (1897)Szell was a Hungarian-born conductor and pianist who immigrated to the US during WWII. Having already conducted many European orchestras, he soon became the principal conductor at the Metropolitan Opera. In 1946, he took over the Cleveland Orchestra and, by means of his famously dictatorial approach, built it into one of the most respected ensembles in the world, famed for its precision. Nearly 20 years after Szell's death, who complained that he still got credit when the orchestra did well? More... Discuss |
Frederick II of Prussia (1712)Frederick the Great was the Hohenzollern King of Prussia from 1740 to 1786 and is regarded as one of the "enlightened despots" of 18th-century Europe. He built his government as a model of efficiency and developed his state into a modern bureaucracy. Frederick was also an excellent military commander and tactician under whose leadership Prussia became a recognized power in Europe. He was well educated and maintained a turbulent friendship with what controversial philosopher and author? More... Discuss |
Reducing Salt Could Save LivesExcessive salt intake is linked to high blood pressure, which can damage arteries and lead to heart disease, stroke, and other health problems. According to researchers, reducing people's salt intake by just 3 grams-or half a teaspoon-a day could prevent as many as 66,000 strokes, 99,000 heart attacks, and 92,000 deaths in the US each year. Furthermore, this salt reduction could save some $24 billion in health costs per year. Policies that would pressure companies to reduce the amount of salt in their processed foods are believed to be vital to reducing consumption, since much of the salt people consume each day is found in these products. More ... Discuss |
![]() ![]() Henry James (1843-1916) Discuss |
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