A picture taken with a smart phone shows Syrian refugees queuing at one of the many UNHCR (United Nations Refugee Agency) registration centers in Lebanon. At the same time that civil wars and the Ebola outbreak are plaguing countries in Africa, Syrian and Iraqi refugees are seeking help from agencies. Joseph Eid/AFP/Getty Images hide caption

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World's Aid Agencies Stretched To Their Limits By Simultaneous Crises

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The "RoboSimian" from NASA's Jet Propulsion Laboratory has the advantage of being able to grasp things with all four limbs, like a chimp. It will compete in the DARPA Robotics Challenge. NASA/JPL-Caltech hide caption

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A Contest To Build A Disaster-Ready Robot

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