This handout photo provided by the Office of the Defense Secretary (OSD), taken Aug. 19, 2014, shows a Chinese fighter jet that the White House said Friday conducted a "dangerous intercept" of a U.S. Navy surveillance and reconnaissance aircraft. Uncredited/AP hide caption

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This fishing boat draped with sick animals is the signature piece of The Ninth Wave, an exhibit by artist Cai Guo-Qiang that opened at Shanghai's Power Station of Art this month. Frank Langfitt/NPR hide caption

itoggle caption Frank Langfitt/NPR

A trident submarine makes it's way out from Faslane naval base in 2009. Scotland votes on whether it wants independence next month, raising questions about the future of Britain's naval base, including its nuclear subs. Jeff J Mitchell/Getty Images hide caption

itoggle caption Jeff J Mitchell/Getty Images

Surrogate babies that Thai police suspect were fathered by a Japanese businessman who has fled from Thailand are shown on a screen Aug. 12 during a news conference at the headquarters of the Royal Thai Police in Bangkok. ATHIT PERAWONGMETHA/Reuters /Landov hide caption

itoggle caption ATHIT PERAWONGMETHA/Reuters /Landov

A street market remains empty in Monrovia's West Point slum as part of quarantine measures to contain the spread of Ebola in Liberia. Zoom Dosso/AFP/Getty Images hide caption

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A woman in Buenos Aires walks with her dog past a mural that reads "Vultures" in Spanish. The mural is a reference to the dispute between the Argentine government and U.S. hedge funds. Victor R. Caivano/AP hide caption

itoggle caption Victor R. Caivano/AP

Peshmerga fighters inspect the remains of a car bearing an image of the trademark jihadist flag, after it was targeted by an American airstrike in the village of Baqouba, north of Mosul. The car reportedly belonged to Islamic State militants Ahmad Al-Rubaye /AFP/Getty Images hide caption

itoggle caption Ahmad Al-Rubaye /AFP/Getty Images

A U.S. Navy P-8 Poseidon aircraft takes off from Perth International Airport during the search for Malaysia Airlines MH370. The same general type of aircraft was involved in a "dangerous intercept" by a Chinese fighter jet earlier this week off Hainan island. Reuters/Landov hide caption

itoggle caption Reuters/Landov

Nestle, the world's biggest food company, manufactures and markets a wide range of food products including dairy, meat, poultry and eggs. Susana Gonzalez/Bloomberg via Getty Images hide caption

itoggle caption Susana Gonzalez/Bloomberg via Getty Images

Government-subsidized goods at a state-run market in Caracas, Venezuela, in 2012. Smuggling of cheap groceries into neighboring Colombia is so rampant that the government plans to fingerprint shoppers. Fernando Llano/AP hide caption

itoggle caption Fernando Llano/AP