Two golden flowers bloom in snow. iStockphoto hide caption

(From left) Incandescent, CFL and LED light bulbs. Many people are finding that choosing the right light bulb has a steep learning curve. iStockphoto hide caption

Advocates are pushing for the virtues of music education that can't be measured numerically. iStockphoto hide caption

Retailers, including Wal-Mart, are trying to adapt their models to suit urban areas, including this mixed-use retail and residential development in Washington, D.C. Meredith Rizzo/NPR hide caption

Traffic on Staten Island during a winter storm earlier this month. New York is among the states affected by a shortage of rock salt. Tom Checchi/Staten Island Advance /Landov hide caption

Iranian high school students sit for their university entrance examination in Tehran in 2009. Iran's economy has been struggling in recent years, and many graduates feel they have few career options. Mona Hoobehfekr/AFP/Getty Images hide caption

Porn has a distinct problem that less racy media companies don't have: Users are afraid of leaving a digital record. Paid sites are trying to lure viewers out of the shadows and into credit card payments. iStockphoto hide caption

After contracting meningitis B, Andy Marso had all of his toes and all but one finger amputated. Courtesy of Andy Marso hide caption

Warriors battle at the 2012 JORVIK Viking Festival. This year promises to be even fiercer, with the apocalypse looming. Allan Harris/Flickr.com hide caption

Fatherhood is Hank Azaria's new documentary series on the triumphs and challenges of becoming a dad. AOL hide caption

Mike Rowe's Dirty Jobs was canceled in 2012. He now runs the mikeroweWORKS Foundation. Courtesy of Mike Rowe hide caption

Darrell Wallace Jr., a graduate of NASCAR's Drive for Diversity Program, celebrates after winning the NASCAR Camping World Truck Series Kroger 200 at Martinsville Speedway on Oct. 26 in Martinsville, Va. Robert Laberge/NASCAR via Getty Images hide caption

Under the name Marie Walsh, Susan LeFevre was on the lam from a Michigan prison for 32 years before being re-arrested in 2008 — also in San Diego. AP hide caption

Adolf Hitler salutes to a crowd of soldiers at a Nazi rally in 1938. Years later, in the final months of World War II, the United States undertook an enormous effort to attract Nazi scientists. Topical Press Agency/Getty Images hide caption

On the new album Panama 500, pianist Danilo Pérez considers five centuries of his home country's history. Raj Naik and Luke Severn/Courtesy of the artist hide caption

House Speaker John Boehner leaves a news conference on Capitol Hill earlier this month. J. Scott Applewhite/AP hide caption

About 50,000 years ago, a meteorite struck earth east of present-day Flagstaff, leaving this crater as its calling card. Shane.torgerson/Wikimedia Commons hide caption

Indian activists from the student wing of Hindu nationalist Bharatiya Janata Party protest near the U.S. Embassy in New Delhi on May 25, 2010, against Wendy Doniger's The Hindus. Penguin Books, India, said this week that it would withdraw the book and pulp it. Anindito Mukherjee/EPA/Landov hide caption

Lunch with oysters and wine by Frans van Mieris, 1635-1681. Universal Images Group/UIG via Getty Images hide caption