The closing number marks the first time the stock market measure has broken that barrier at the end of the trading day since October 2007.

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A new study looking at mass shootings in 25 states found that high-capacity magazines and assault weapons make shootings 54 percent deadlier.

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Guacamole Fresh is up for an Academy Award later this month. The extremely short animated film is a charming stop-motion take on the beloved Mexican dish. The twist? See the ingredients.

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When it comes to football players suffering brain injuries, many NFL fans seem to have moved past denial, the first stage of coping with a terrible reality. It's followed by anger, bargaining, depression and acceptance.

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In a letter to President Obama, Clinton said she was "more convinced than ever" that the U.S. could be a force for good.

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Not up to speed about the big game between the 49ers and Ravens? We've got a few bits of "wisdom" that could help you get through the game.

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The fight over the Second Amendment could cost Pennsylvania businesses more than $40 million in lost revenue thanks to the postponement of one of the nation's largest hunting and fishing shows. Event organizers had banned the display of legal assault weapons, leading several vendors to boycott it.

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Former Massachusetts Sen. Scott Brown will not seek the Republican nomination for Senate in a special election to replace Sen. John Kerry, the Democrat who on Friday becomes secretary of state. The decision leaves Republicans scrambling to find a competitive candidate in the deep blue state.

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When U.N. Ambassador Susan Rice's name was floated as a potential Secretary of State, there was quite a bit of hand wringing in Washington. It appears, now, at least some of it was probably for naught.

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The iconic black cabs of London got a lift Friday when a Chinese company rescued the British automaker that manufactures the taxis. Zhejiang Geely Holding Group said it will pay $17.5 million to buy Manganese Bronze Holdings, which has been making the cabs since 1899.

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Why do we reach for that handful of M&Ms and other high-calorie treats under stress? In prehistoric times, such gluttony was probably a useful response to scarcity. That "feast before famine" instinct is less helpful in modern times, when obesity is a bigger health risk than starvation – but evolution hasn't had a chance to catch up.

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In the early days of the NFL, the average lineman weighed 190 pounds. Now they average 300 pounds. A look at the physics behind a tackle shows that bigger and faster players means harder slams to the turf and more severe injuries.

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In the early days of the NFL, the average lineman weighed 190 lbs. Now they average 300 lbs. A look at the physics behind a tackle shows that bigger and faster players means harder slams to the turf and more severe injuries.

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The winter may not be over, but economists are looking to spring for good news when it comes to jobs. Host Michel Martin speaks with NPR Senior Business Editor Marilyn Geewax about whether a strengthening housing market could boost stalling jobs numbers.

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President Obama recently backed proposals by the "Gang of Eight" senators to overhaul the nation's immigration system. Host Michel Martin takes a look at how some border towns could be affected. She speaks with Scott Smith, the Republican mayor of Mesa, Arizona, and David Coss, the Democratic mayor of Santa Fe, New Mexico.

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Congress passed an emergency aid package for Superstorm Sandy victims earlier this week. But three months after the storm, many hard-hit neighborhoods are still suffering. Host Michel Martin checks back with Monsignor John Brown of St. Francis de Sales in Rockaway, Queens, to discuss how the community is recovering.

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Chu, who won the Nobel Prize in Physics in 1997, said he will return to academia. President Obama said that during his tenure Chu moved the United States "towards real energy independence."

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Some organizations have objected to the health care overhaul's rules, saying they violate religious freedom.

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The economy shrank slightly at the end of 2012, and the unemployment rate ticked up in January. But this spring's data could look much brighter if the housing market continues to heat up as expected. That's because the sector supports a variety of jobs, ranging from bricklayers to appliance manufacturers.

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In his book Glock: The Rise of America's Gun, Paul Barrett traces how the sleek, high-capacity Austrian weapon found its way into Hollywood films and rap lyrics, not to mention two-thirds of all U.S. police departments.

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