A Malaysia Airlines crew member inspects an airplane at Kuala Lumpur International Airport on Thursday. The carrier announced it was laying off a third of its workforce amid steep financial losses. Azhar Rahim/EPA/Landov hide caption

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Britain's Prime Minister David Cameron speaks at a news conference in London on Friday after the U.K. raised its terror alert level. Paul Hackett/PA Photos/Landov hide caption

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Researchers raised two groups of walking, air-breathing Polypterus senegalus — one on land and one on the water. They discovered that each group was able to adapt to be best suited to its environment. A. Morin, E.M. Standen, T.Y. Du, H. Larsson/McGill University hide caption

itoggle caption A. Morin, E.M. Standen, T.Y. Du, H. Larsson/McGill University

Suthep Thaugsuban, a former deputy prime minister who ordered a bloody crackdown on protesters in 2010 and later encouraged a coup against the elected government, arrives at court on Thursday. In recent weeks, Suthep has become a Buddhist monk. Narong Sangnak/EPA/Landov hide caption

itoggle caption Narong Sangnak/EPA/Landov

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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A photo from March 2008 provided by the Hennepin County, Minn., Sheriff's Office shows Douglas McAuthur McCain, who was killed recently fighting alongside Islamic State militants in Syria. AP hide caption

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