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What can you do with beach sand? Build a sand castle. Dig a canal. Make a snake. What can you do with MIT's "smart" sand? One day, you will turn it into a hammer, fork, chair, anything you want. And when you're done? Poof! It's sand again.

An American rock musician born in Freeport on Long Island, N.Y., Lou Reed epitomized New York City's artistic underbelly in the 1970s, with his songs about hookers and junkies. Reed was 71.

Ride was a Ph.D. candidate at Stanford when she answered an ad to become a NASA astronaut. She became the first American woman in space when she blasted off in the space shuttle Challenger in 1983.

Mitt Romney is in Israel this weekend, in part to drum up support from pro-Israel groups living in the United States. The Jewish vote makes up only 4 percent of the American electorate, but it's where those votes are located that has both sides spending millions to woo them.

Athletic since she was a toddler, Holley Mangold has been dreaming of Olympic glory for nearly as long. It took the onetime football star years to find the sport that would take her to the Olympics. Now 22, 350-pound Mangold has qualified for the U.S. women's Olympic weightlifting team.

Despite the perception that Americans are a bunch of boozers, a new study shows men in their 20s and 30s take in about 175 calories a day in alcohol; for women, it's about 60 calories. Still, the government warns, it's a little more than we should be imbibing on a daily basis.

All Italians are being urged to eat a special cheese and rice dish tonight to promote the revitalization of Emilio-Romagna, Italy's famous food production region, after the deadly earthquakes back in May destroyed factories and warehouses.

Just hours after 20 children and six educators were killed in December at Sandy Hook Elementary School, investigators started gathering evidence at gunman Adam Lanza's home.

On the political far left and right, some believe that large banks still pose a threat to taxpayers. These banks are so big, they argue, that the government will step in with support if needed. Still, the more mainstream view in Washington is that the Dodd-Frank reforms are sufficient to handle the problem.

Millions of LinkedIn users' passwords were stolen and distributed online earlier this month, once again raising worries about Internet security. Creating a clever password to foil potential hackers can be tricky, but a crafty secret phrase can prevent prying eyes from accessing your online accounts and private information.