Jon Hamilton Jon Hamilton is a correspondent for NPR's Science Desk.
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Jon Hamilton

Justin McCowan, 39, has Down syndrome and lives at home with his parents in Santa Monica, Calif. Benjamin B. Morris for NPR hide caption

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Benjamin B. Morris for NPR

People With Down Syndrome Are Pioneers In Alzheimer's Research

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Deion Jefferson, 10, and Samuel Jefferson, 7, take turns climbing and jumping off a stack of old tires at the Berkeley Adventure Playground in California. The playground is a half-acre park with a junkyard feel where kids are encouraged to "play wild." David Gilkey/NPR hide caption

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David Gilkey/NPR

Scientists Say Child's Play Helps Build A Better Brain

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Katherine Streeter for NPR

Bingeing On Bad News Can Fuel Daily Stress

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"Dance for PD" classes use music to temporarily ease tremors and get Parkinson's patients moving. Maggie Starbard/NPR hide caption

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Maggie Starbard/NPR

Your Brain's Got Rhythm, And Syncs When You Think

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Katherine Streeter for NPR

Bursts Of Light Create Memories, Then Take Them Away

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A collage of family photos of Melissa Sherak Glasser. Mark Turner for NPR hide caption

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Mark Turner for NPR

Pregnancy Hormone May Reduce Multiple Sclerosis Symptoms

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In epilepsy, the normal behavior of brain neurons is disturbed. The drug valproic acid appears to help the brain replenish a key chemical, preventing seizures. David Mack/Science Source hide caption

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David Mack/Science Source

Military Plans To Test Brain Implants To Fight Mental Disorders

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Klotho (right) is one of the three Greek Fates depicted in this Flemish tapestry at the Victoria and Albert Museum in London. Wikimedia Commons hide caption

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Wikimedia Commons

Anti-Aging Hormone Could Make You Smarter

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Max Planck Goes To Florida, Invites Brain Scientists To Join

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The dream of epilepsy research, says neurobiologist Ivan Soltesz, is to stop seizures by manipulating only some brain cells, not all. Steve Zylius/UC Irvine Communications hide caption

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Steve Zylius/UC Irvine Communications

One Scientist's Quest To Vanquish Epileptic Seizures

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Women make up nearly two-thirds of the people in the U.S. diagnosed with Alzheimer's disease. iStockphoto hide caption

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iStockphoto

Gene Linked To Alzheimer's Poses A Special Threat To Women

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Francis Csedrik remembers details of being bonked hard on the head when he was 4, and having to go to the emergency room. Meg Vogel/NPR hide caption

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Meg Vogel/NPR

The Forgotten Childhood: Why Early Memories Fade

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