A passenger wearing a face mask arrives at Los Angeles International Airport Friday. Federal officials now require people traveling from West Africa to enter the U.S. at one of five airports equipped to screen them for signs of Ebola. Mark Ralston /AFP/Getty Images hide caption

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Thai surrogate mother Pattaramon Chanbua with her baby Gammy, who was born with Down Syndrome. An Australian couple who'd arranged for Pattaramon to serve as their surrogate rejected the child. Nicolas Asfouri/AFP/Getty Images hide caption

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The San Luis Reservoir in central California is the largest "off-channel" reservoir in the U.S. It is currently at less than 30 percent of its normal capacity. Kirk Siegler/NPR hide caption

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Former Blackwater Worldwide guard Nicholas Slatten leaves federal court in Washington in June. Slatten on Wednesday was found guilty of first-degree murder in the deaths of 14 Iraqi civilians in 2007. Cliff Owen/AP hide caption

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Passengers ride a cable car that links downtown La Paz with El Alto, Bolivia, in September. The trip costs about 40 cents and takes 10 minutes — compared with 35 cents and a half-hour by minibus. Juan Karita/AP hide caption

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Researcher Svante Pääbo, was able to extract a complete genome from this ancient human leg bone. Bence Viola/Max Planck Institute for Evolutionary Anthropology hide caption

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Even versions of Zi Xiu Tang Bee Pollen labeled "genuine" and "anti-counterfeit" have been found to contain the drug sibutramine, which was supposed to come off the U.S. market in 2010 for safety reasons. Food and Drug Administration hide caption

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Pro-democracy protesters carrying portraits of Hong Kong Chief Executive Leung Chun-ying march to his residence in Hong Kong on Wednesday. Bobby Yip/Reuters/Landov hide caption

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Lynn Good has had many mentors throughout her career — but few of them were women. "So I'm generationally on the early part of the ascent of women into leadership roles," the Duke Energy president and CEO says. Pat Sullivan/AP hide caption

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Abdul Sattar Edhi, 86, is an iconic figure in Pakistan who founded and runs the country's best-known charitable group. The Edhi Foundation was robbed of more than $1 million on Sunday, a crime that has provoked outrage. Rizwan Tabassum/AFP/Getty Images hide caption

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Candice Nelson fits her daughter Arya Kubesh with a Halloween hat at a store at Galleria Mall in Edina, Minn. Retailers are hoping Halloween will give them a good bounce into the peak spending time of the year. Elizabeth Flores/MCT/Landov hide caption

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In this campaign ad, GOP candidate Terri Lynn Land sips coffee after asking the viewer to "think about" accusations that she's waging a war on women. Terry Land/YouTube hide caption

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Ben Bradlee, then-executive editor of The Washington Post, looks at the front page of the newspaper, headlined "Nixon Resigns," in the composing room on Aug. 8, 1974. David R. Legge/Washington Post/Getty Images hide caption

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Dr. Denis Mukwege (left) listens as Britain's Foreign Secretary William Hague speaks after the two men were presented Georgetown University's annual Hillary Rodham Clinton Award for Advancing Women in Peace and Security, at Georgetown University in Washington, in February. Mike Theiler/Reuters/Landov hide caption

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