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The Allen Institute for Brain Science hosted its first BigNeuron Hackathon in Beijing earlier this month. Similar events are planned for the U.S. and U.K. Courtesy of Allen Institute for Brain Science hide caption

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Courtesy of Allen Institute for Brain Science

Hackers Teach Computers To Tell Healthy And Sick Brain Cells Apart

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About twice a year, statistics suggest, a pilot somewhere in the world — usually flying alone — deliberately crashes a plane. The Germanwing flight downed last week may be one such case. But most people who fit the psychological profile of the pilots in these very rare events never have problems while flying. Patrik Stollarz/AFP/Getty Images hide caption

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Patrik Stollarz/AFP/Getty Images

No Easy, Reliable Way To Screen For Suicide

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There's a widely held assumption that a slight imbalance in male births has its start at the very moment of conception. But researchers say factors later in pregnancy are more likely to explain the phenomenon. CNRI/Science Source hide caption

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CNRI/Science Source

Why Are More Baby Boys Born Than Girls?

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NPR senior Washington editor Beth Donovan walks on a treadmill desk in her office in Washington, D.C. Meredith Rizzo/NPR hide caption

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Meredith Rizzo/NPR

Sure, Use A Treadmill Desk — But You Still Need To Exercise

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Olympic gold medalist Sanya Richards-Ross pulls on compression sleeves before a 400-meter race at the World Indoor Athletics Championships in Istanbul in 2012. Martin Meissner/AP hide caption

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Martin Meissner/AP

Compression Clothing: Not The Magic Bullet For Performance

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Hawaii ranks 49th in the nation for use of home health care services during the last six months of someone's life. Videos from ACP Decisions show patients what their options are at the end of life. ACP Decisions hide caption

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ACP Decisions

Videos On End-Of-Life Choices Ease Tough Conversation

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Needle exchange programs, like this one in Portland, Maine, offer free, sterile syringes and needles to drug users. The programs save money and lives, health officials say, by curtailing the spread of bloodborne infections, such as hepatitis and HIV. Robert F. Bukaty/AP hide caption

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Robert F. Bukaty/AP

Indiana's HIV Spike Prompts New Calls For Needle Exchanges Statewide

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Melinda Townsend-Breslin holds a photo showing her and her mother standing in the parking lot of a favorite thrift store in 2013. William DeShazer for NPR hide caption

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William DeShazer for NPR

Medical Bills Linger, Long After Cancer Treatment Ends

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A meeting of Alcoholics Anonymous in the 1950s was based on much the same 12-step program used today. Bettmann/Corbis hide caption

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Bettmann/Corbis

Critic Faults Alcoholics Anonymous For Lack Of Evidence

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The H1N1 swine flu virus kills some people, while others don't get very sick at all. A genetic variation offers one clue. Centre For Infections/Health Pro/Science Photo Library/Getty Images hide caption

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Centre For Infections/Health Pro/Science Photo Library/Getty Images