Neuroscientist Eugene Aserinsky attaches electrodes to his son, Armond, who was a frequent subject in his early sleep studies

The Stubborn Scientist Who Unraveled A Mystery of the Night

Fifty years ago, Eugene Aserinksy discovered rapid eye movement and changed the way we think about sleep and dreaming

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Take Two and Call Me in the Morning

Once we didn’t know how aspirin works; now we know that it does a lot more than ease pain and inflammation

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The “Indomitable” MRI

Raymond Damadian’s medical imaging machine set off a revolution but not without controversy

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You Will Feel No Pain

Doctors and patients swear hypnosis works, but after years of research we still don’t know how

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The Quality of Mercy

At a small hospital in Vermont, nurses practice medicine as an art, marshaling compassion and skill in equal measure

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How a Weed Once Scorned Became the Flower of the Hour

The gaudy sunflower is the ornament of the Nineties, turning up everywhere and on everything, including baseball players’ faces

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