单词：ion neutralizing spec-trum
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This is Scientific Americans 60-Second Science. Im Cynthia Graber. Thisll just take a minute. Heres a strange tale of two previously unrelated food products. First: chitlins, that delicacy of fried pig large intestines. Theyre well-loved throughout t
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By Paula Wolfson White House 10 January 2006 President Bush President Bush is vowing strong action against those engaged in the practice known as human trafficking: luring people into forced labor or
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US Museum Showcases National Medical Collection These conjoined twins are not what you'd come across in a conventional museum. They are one of the exhibits at The National Museum of Health and Medicine near Washington. Its aim is to promote the under
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Killing of US School Children Sparks Gun Control Discussion Authorities say the weapons used in the Newtown shooting were legally registered to Nancy Lanza, the mother of the gunman, Adam Lanza. She was the first of 27 victims of the shootings, inclu
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Political Cartoons Help Iranians View Election With Sense of Humor For many Iranians, the presidential campaign played out on television - one candidate after another explaining their positions on the issues. While it didn't make for compelling viewi
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