Albino Quiroz Sandoval is seen at age 10 (bottom right) with relatives including his parents and brother. Now in his 70s, he has been missing for more than a year.
Alejandra Rajal for NPR
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Albino Quiroz Sandoval left home to go shopping last year and never returned. A man has been arrested, but most crimes in Mexico go unpunished. More than 37,000 people have gone missing since 2007.
Beavers are known as "ecosystem engineers," species that make precise and transformative changes to their lived environment.
Larry Smith/Flickr
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Dr. Vinay Prasad is 35 and an assistant professor of medicine at Oregon Health and Science University in Portland, where he researches health policy, the high cost of drugs and evidence-based medicine. He has more than 21,000 followers on Twitter.
Marvin Joseph/The Washington Post via Getty Images
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Marvin Joseph/The Washington Post via Getty Images
Albino Quiroz Sandoval is seen at age 10 (bottom right) with relatives including his parents and brother. Now in his 70s, he has been missing for more than a year.
Alejandra Rajal for NPR
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Diego Luna attends the Hollywood premiere of Rogue One: A Star Wars Story on Dec. 10, 2016. Luna lives in Mexico City and, as a political activist, he sees himself as someone who has a voice on both sides of the border.
Charley Gallay/Getty Images for Disney
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