Table of Contents December 2017

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After flying by Pluto, a NASA probe is on its way to another world that could unlock insights into the creation of our solar system. Find out what's next for New Horizons. Mental health is often at the center of political and social debates. The tireless dedication of an Indian psychiatrist has helped revolutionize the field of worldwide mental health. Also: Does Pluto have a long-lost twin? And there's mystery in Senegal: The country's cash crop is making people sick—sometimes fatally. Can scientists find a solution?

Plus: The life and death of the world's largest living organism, animal mummies and the truth about "good" cholesterol. All this and more in the December issue of Discover.
Digital editions

FEATURES

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Mental illness knows no borders. One relentless Indian psychiatrist pushes to make treatment a standard around the world.
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Despite their differences, these two bodies at the edge of the solar system may have been separated at birth.
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Four billion miles away, an ancient and pristine world awaits the Pluto hunter.
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A toxic fungus infects crops eaten across the developing world. Scientists are engineering a solution.
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Society has long misunderstood these spineless swimmers. Now they could unlock the keys to regeneration.

DEPARTMENTS

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When multiple specialists can’t solve the mystery of a toddler’s persistent rashes, grandma offhandedly offers a clue.
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Researchers have partially hidden Earth’s largest life-form behind a small protective fence.
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High HDL levels don’t always mean a lower risk of heart attack.
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A museum’s forgotten cache of preserved creatures shines a light on an ancient, possibly unethical, practice.
bears
The cute-but-dangerous creatures don’t actually hibernate, don’t gobble honey as much as people think and have a sketchy family tree.
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Scientists hacked the machinery of cellular warfare to splice genes. Now they’ve found a way to guard against it, too.

THE CRUX

Clearing the smoke surrounding the devices.
From gene variants to stamp-sized digital storage.
How climate change impacts flooding.
Stumped on what to get someone for the holidays? We’ve picked out our favorite books, one for each of the Twelve Days of Science.
Exposing the ecosystems in your own backyard.
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