Table of Contents October 2017

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A 69-year-old writer taking part in an aging study explores his own senior moments. Follow him as researchers put him through a battery of tests. How would you do? In a related story, neural stem cells are beginning to fulfill their promise for people with brain injuries and degenerative diseases; Linda Marsa reports. Today, the Great Lakes are facing a great challenge: an invasive force from waters far away. And smart devices are all the rage, but beware: Cybervillains are everywhere. Are you properly secured?

Also, you'll learn about an ancient Inka record-keeping system based on knots, the rise of artificial wombs and how the Cold War might be to blame for antibiotic resistance. And to the science buffs out there: Why do you take multivitamins? All this and more in the October issue of Discover.
Digital editions

FEATURES

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Exotic mussels have pilfered the Great Lakes' food supply, creating a vast aquatic desert.
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A writer taking part in an aging study explores his senior moments.
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How neural stem cells repair damage from strokes, spinal injuries and aging.
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The Inka Empire ruled millions without a written language. Keeping records was a knotty situation.
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Connected devices make our lives easier — and more vulnerable. We need white hats more than ever.

DEPARTMENTS

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A new device can replicate the placenta, bringing hope for babies born premature.
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A seemingly brain-dead young man makes a startling recovery, and a neuroscientist tries to find out why.
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Tackling a migration enigma, scientists are getting a grip on where these slithery fishes call home.
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Dogs and cats are popular companions. But they’re not the only critters we’ve converted from wild to mild.
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Have you skipped your vitamins today? That might not be a bad thing.
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How the decades-long conflict led to today's increasingly impotent antibiotics.

THE CRUX

From heart problems to warming temperatures.
Farmers and others working America’s land face a greater suicide risk than those in other jobs.
It depends on where the wind blows.
A scientist creates a crowdfunding platform for other researchers.
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