An Iraqi shop owner sells groceries in Baghdad. World Bank President Robert Zoellick says the high cost of food is an "aggravating factor" behind the unrest in the Middle East.
Ali al-Saadi/AFP/Getty Images
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An American black bear from the Kenai Peninsula in Alaska. A new study found that a bear's metabolism in hibernation drops by nearly 75 percent while its body temperature falls just slightly.
Oivind Toien/Institute of Arctic Biology, University of Alaska, Fairbanks
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Oivind Toien/Institute of Arctic Biology, University of Alaska, Fairbanks
President Obama, shown answering questions during a news conference Tuesday, is expected to hit the billion-dollar mark in fundraising for his re-election bid. His Republican opponent may raise that much as well.
Evan Vucci/AP
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Neil Barofsky, special inspector general for the Troubled Asset Relief Program, testifies before Congress. He will step down from his position in March.
Manuel Balce Ceneta/AP
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The rate of integration has slowed in recent decades, according to demographers. Here, white and black mothers chat as they enjoy the sun at the Alfred E. Smith housing development in New York, May 1956.
Bob Wands/AP
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Mexican police guard the U.S. vehicle that was attacked Tuesday by suspected drug traffickers in Santa Maria del Rio, Mexico. One U.S. Immigration and Customs Enforcement agent was killed and another was wounded.
El Pulso/AFP/Getty Images
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Saudi students sit for their final high school exams at the end of the school year June 19 in the Red Sea port city of Jeddah.
Amer Hilabi/AFP/Getty Images
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Dale Earnhardt, in front of his No. 3 car, looks on during practice for the Ford City 500 in 1999. Earnhardt was killed in a crash in the last lap of the Daytona 500 on Feb. 18, 2001.
Jamie Squire/Getty
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