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Chemical Element Meitnerium Is Synthesized

In 1982, a German research team led by Peter Armbruster and Gottfried Münzenberg at the Institute for Heavy Ion Research created a new element. While bombarding bismuth-209 atoms with iron-58 ions, they detected a single atom of what is now called meitnerium. Its atomic number is 109. The artificially-produced, radioactive element is named for Lise Meitner, the Austrian-Swedish physicist and mathematician who helped discover nuclear fission. What was its original name?

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Alien Hand Syndrome

Normally, the two sides of the brain are able to coordinate both sides of the body by communicating. When the connection between them is damaged—such as during surgery or a stroke—alien hand syndrome can result. The rare neurological disorder causes one of the patient's hands to appear to have a mind of its own. The hand performs inexplicable tasks, sometimes undoing what the other has done, without the patient's conscious control. What household item can reduce symptoms when placed on the hand?

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John Locke

Locke was an English philosopher and founder of British Empiricism. He summed up the Enlightenment in his belief in the middle class and its right to freedom of conscience and right to property, in his faith in science, and in his faith in the goodness of humanity. His influence on philosophy and political theory has been incalculable. His 1690 Two Treatises of Government influenced the American and French revolutions. He once fled to Holland under suspicion of involvement in what plot?

Last updated on Wednesday, 29th August 2012

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