Photo Galleries

Japanese Maritime Self-Defense Force (MSDF) officers aboard destroyer Yudachi work after docking at Yokosuka port at Sagami Bay, off Yokosuka, south of Tokyo, October 14, 2012 after a naval fleet review. (Yuriko Nakao/Reuters)

Spinner dolphins are seen near Keahole Point, Hawaii. More people and more activity in Hawaii waters means more impact on ocean creatures, and the entertaining spinner dolphins may be the most stressed. Dolphins constantly performing for tourists can suffer disruption in their eating and reproduction habits and become more vulnerable to predators, according to Steve Soto-Amundson of the South Kona Preservation Coalition. (James L. Wing/dolphindreams.com/AP)

SOURCES: Bureau of Alcohol, Tobacco, Firearms and Explosives, Hot Shots TV, Centers for Disease Control and Prevention, Pew Research Center, Federal Bureau of Investigation, Citizens Crime Commission of New York City, US Fish and Wildlife Service, Bureau of Justice Statistics (Research: ANDREW AVERILL, CLARA GERMANI, PATRIK JONSSON, and MARK TIMNEY, Graphic: RICH CLABAUGH/STAFF)

A man wearing a traditional Romanian outfit receives a kiss from a girl wearing a floral outfit, in Bucharest, Romania, Feb. 24, 2012, during celebrations of the Dragobete, the day of lovers. Romanians try to promote the traditional celebration, which lost a lot of ground to the better-marketed Valentine's Day. (Vadim Ghirda/AP)

A reveller performs during the 'Grand Parade of Tradition' as part of Carnival celebrations in Barranquilla, Colombia, Feb.10, 2013. (Joaquin Sarmiento/Reuters)

Larissa stands beside a portrait of Pope Benedict, painted with a cloak and skull cap bearing Cameroon's national colors, outside the Mary Queen of Apostles Basilica in Yaounde March 15, 2009, where Pope Benedict celebrated vespers. Pope Benedict made his first trip to Africa, starting in Cameroon, where he urged developed nations grappling with the economic crisis not to forget the continent where survival is a daily struggle for millions. (Finbarr O'Reilly/Reuters)

A snowman in front of a home holds a sign that says: 'Got power?' since large parts of the town are still without electricity after the blizzard, on January 11, 2013 in Scituate, Massachusetts. Hundreds of electric crews from around the region are trying to restore power to residents. (Melanie Stetson Freeman/ Staff)

Carmen Aurora Sastre Castilla brushes her teeth after dinner as her mother Carmen Castilla (bottom l.) and her sister Rosa Maria (top l.) sit with the family's belongings on the street that had been their home for the past two weeks in Madrid, June 8, 2012. They were evicted from their rental apartment on April 24 after Rosa, the sole breadwinner, lost her job and couldn't pay for the monthly rent. (Susana Vera/Reuters)

Tatiana Volosozhar and Maxim Trankov of Russia perform during the pairs free skating competition at the ISU Grand Prix of Figure Skating Final in Sochi December 8, 2012. (Grigory Dukor/Reuters)