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For a half-century, the U.S. Army Corps of Engineers has been in the beach business, dredging up new sand as shorelines wash away. Federal disaster aid for Superstorm Sandy could provide billions more for beach rebuilding, and that has revived an old debate: Is this an effective way to protect against storms, or a counterproductive waste of tax dollars?

On a recent blustery day at Virginia Beach, the latest beach nourishment project is in full swing. A bulldozer smooths out pyramids of sand, and on the horizon, a large, black hopper dredge appears with another load.

From an early age, Japanese kids are taught to "eat with your eyes," and this emphasis on the visual delights of food can be found in many aspects of Japan's vaunted culture of cute.

Take children's television, for example. Some of the most beloved cartoon characters in Japan are based on food items.

Francois Brunelle is a French Canadian photographer whose work gives new meaning to the phrase "double exposure."

For the past several years, Brunelle has been documenting doppelgangers — people who happen to look strikingly similar but aren't related. He's on a quest to make 200 black-and-white portraits, and plans to eventually turn the project into a book.

Update at 6:45 a.m. ET, Jan. 31: New reports from Timbuktu indicate that "most manuscripts were saved."

Our original post:

These photos from Timbuktu, Mali, on Tuesday confirmed what many had feared: Ancient books and texts at a famed library were torched by Islamic radicals before they fled.

Congress has now agreed to give some $60 billion to states damaged by Hurricane Sandy. A lot will go to Long Island, one of the hardest hit areas. Besides damages to homes and businesses, its system of protective barrier islands and beaches were partially washed away.

Scientists are trying to find out where that sand and sediment went, and whether it can be used to rebuild Long Island's defenses.

In January. On a boat in Long Island Bay.

While few outside the film and radio industries may recognize the name Stefan Kudelski, his Nagra recorder — meaning "will record" in Kudelski's native Polish — transformed the world of sound recording for radio, television and film.

Kudelski, inventor of the first portable professional sound recorder, died Saturday in Switzerland at the age of 84, according to a statement from the Kudelski Group.