News Bits

Wall Street tumbled again Monday, joining a sell-off around the world as fears grew the financial crisis would cascade through economies globally despite bailout efforts by the United States and other governments.

Republican vice presidential candidate Sarah Palin expanded her attack on Democrat Barack Obama’s character Monday to include his relationship with an incendiary former pastor, as well as his ties to 1960s-era radical Bill Ayers.

Three European scientists shared the 2008 Nobel Prize in medicine on Monday for separate discoveries of viruses that cause AIDS and cervical cancer, breakthroughs that have helped doctors fight the deadly diseases.

Conservationists estimated one in four species of mammals is threatened with extinction.

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