The particles are called Criegee intermediates, or Criegee biradicals, and are short-lived molecules that form in the Earth’s atmosphere when ozone reacts with alkenes.
The secrecy around Mayor Michael R. Bloomberg’s selection of Cathleen P. Black to run the city’s schools highlighted his faith in business leaders and dislike of public debate.
Starting Thursday, Wal-Mart plans to offer free shipping on its Web site, a move that may create an expectation among consumers and a threat to smaller retailers.
AP - In mailboxes across South Carolina in 2007, likely Republican voters received a Christmas card signed by "The Romney Family" with a quotation from a 19th century Mormon leader suggesting God had several wives.
AP - President Barack Obama on Friday took aim at his government's own messy bureaucracy, prodding Congress to give him greater power to merge agencies and promising he would start by collapsing six major economic departments into one. Pressing Republicans on one of their own political issues, Obama said it was time for an "effective, lean government."
AP - Secretary of State Hillary Rodham Clinton said Friday the United States will send an ambassador to Myanmar for the first time in two decades now that the long-isolated country has released hundreds of political prisoners and made other reforms.
An investigation  into the death of a Texas man more than two months into the making, and with all the trappings of a made-for-TV movie, has ended in the arrest of his wife. Police on Monday arrested Michele Williams, 42, near her home in Keller,...
Joran van der Sloot also was fined $74,500 in reparations for the family of victim Stephany Flores. He was a suspect in Natalee Holloway's 2005 disappearance.
Michael Lind says there are two visions of capitalism, and Mitt Romney's emphasizes raising shareholder value rather concern for the employees and others.
To get a sense of how Ron Paul is tying the GOP establishment in knots, look no further than Sen. Jim DeMint, the powerful Republican from the site of the next major primary, South Carolina.
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