Feature
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- Health & Medicine
Healthy Aging in a Pill
To extend life span, scientists envision a drug that mimics the benefits of a near-starvation diet.
By Laura Beil -
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Dawn of the Dinosaurs
Paleontologists probe the majestic reptiles’ origin and rise.
- Health & Medicine
Going Under
While every anesthetic drug has its own effect, scientists know little about how the various versions work on the brain to transport patients from normal waking awareness to dreamless nothingness.
By Susan Gaidos -
Yawn
Latest research awakens debate over why people can’t keep their mouths closed.
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