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Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 November 25 The Earth's Magnetic Field Credit & Copyright: Gary A. Glatzmaier (UCSC) Explanation: Why does the Earth have a magnetic field? The electrical conductivity of the molten plasma of the Earth's core should be able to damp the current magnetic field in only thousands of years. Yet our five billion year old Earth clearly causes magnets to point to (defined) north. The mystery is still being...

<p>The Department of Justice met yesterday with a New York civil rights group to discuss the recruitment of black American Muslims by terrorist organizations.</p> <p>Roy Innis, chairman of the conservative Congress of Racial Equality, told officials he fears an increasing alliance between Middle East-based terrorists and domestic black Islamists.</p>

African Ice Core Analysis Reveals Catastrophic Droughts, Shrinking Ice Fields, Civilization Shifts COLUMBUS, Ohio – A detailed analysis of six cores retrieved from the rapidly shrinking ice fields atop Tanzania's Mount Kilimanjaro shows that those tropical glaciers began to form about 11,700 years ago. The cores also yielded remarkable evidence of three catastrophic droughts that plagued the tropics 8,300, 5,200 and 4,000 years ago. Lastly, the analysis also supports Ohio State University researchers' prediction that these unique bodies of ice will disappear in the next two decades, the victims of global warming. These findings were published today in the journal...