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During one experiment, the poker bot Pluribus played against five professional players. It won. Facebook AI Research hide caption

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Facebook AI Research

Bet On The Bot: AI Beats The Professionals At 6-Player Texas Hold 'Em

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Bedbugs aren't known to spread disease to or among people, but that doesn't make them less creepy-crawly. About the size of an apple seed, they feast on human blood and typically bite a sleeping host at night. Josh Cassidy/KQED hide caption

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Josh Cassidy/KQED

Nora Keegan, then in the fifth grade, presents her research findings in 2016. Courtesy of the Keegan family hide caption

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Courtesy of the Keegan family

13-Year-Old Scientist's Research Shows Hand Dryers Can Hurt Kids' Ears

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The squiggly blue lines visible in the neurons are an Alzheimer's biomarker called tau. The brownish clumps are amyloid plaques. Courtesy of the National Institute on Aging/National Institutes of Health hide caption

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Courtesy of the National Institute on Aging/National Institutes of Health

New Markers For Alzheimer's Disease Could Aid Diagnosis And Speed Up Drug Development

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Using embryonic stem cells, researchers created a structure that mimics the earliest stages of human development in the womb. This image shows the structure breaking the symmetry of the sphere, which starts the development of more complex structures that eventually develop into a fetus. Mijo Simunovic, Ph.D., Simons Junior Fellow, The Rockefeller University hide caption

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Mijo Simunovic, Ph.D., Simons Junior Fellow, The Rockefeller University

Scientists Make Model Embryos From Stem Cells To Study Key Steps In Human Development

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Researchers trained Zola the seal to "sing" the Star Wars theme song. Courtesy of Amanda Stansbury hide caption

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Courtesy of Amanda Stansbury

A New Hope: Seal Learns To Sing Star Wars Theme

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Chris Marshall has organized pop-up Sans Bars in New York, Washington, D.C., and Anchorage, Alaska. And he has expanded into permanent spaces in Kansas City, Mo., and western Massachusetts. Julia Robinson for NPR hide caption

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Julia Robinson for NPR

Breaking The Booze Habit, Even Briefly, Has Its Benefits

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CRISPR technology already allows scientists to make very precise modifications to DNA, and it could revolutionize how doctors prevent and treat many diseases. But using it to create gene-edited babies is still widely considered unethical. Gregor Fischer/picture alliance via Getty Images hide caption

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Gregor Fischer/picture alliance via Getty Images

A Russian Biologist Wants To Create More Gene-Edited Babies

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Researchers dropped more than 17,000 wallets with varying amounts of money in countries around the world. Here, an example of the wallets that held the most money. Christian Zünd hide caption

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Christian Zünd

What Dropping 17,000 Wallets Around The Globe Can Teach Us About Honesty

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erhui1979/Getty Images

There's More To Look Forward To After Peaking Professionally

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This oblique view of the Himalayan landscape was captured by a KH-9 Hexagon satellite on Dec. 20, 1975, on the border between eastern Nepal and Sikkim, India. Josh Maurer/LDEO hide caption

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Josh Maurer/LDEO

I Spy, Via Spy Satellite: Melting Himalayan Glaciers

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Boaty McBoatface, an autonomous submarine vehicle, had a successful first mission taking measurements deep in the Southern Ocean. Povl Abrahamsen, British Antarctic Survey hide caption

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Povl Abrahamsen, British Antarctic Survey

Geriatrics is a specialty that should adapt and change with each patient, says physician and author Louise Aronson. "I need to be a different sort of doctor for people at different ages and phases of old age." Robert Lang Photography/Getty Images hide caption

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Robert Lang Photography/Getty Images

A Clearer Map For Aging: 'Elderhood' Shows How Geriatricians Help Seniors Thrive

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Scientists exhumed 10 wooden braziers from eight tombs at the ancient Jirzankal Cemetery in what is now western China. Many of the braziers held stones that were apparently heated and used to burn cannabis plants. Xinhua Wu/Science Advances hide caption

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Xinhua Wu/Science Advances