7 Extinction-Level Events That Would End Life as We Know It

If you've watched any apocalyptic movies, then you know that there are many threats (manmade or otherwise) that can end life on the planet.
ThoughtCo. | Lifelong Learning
Science
7 Extinction-Level Events That Would End Life as We Know It
If you've watched any number of apocalyptic movies or TV shows, then you know that there are many threats (manmade or otherwise) that can end life on the planet as we know it. But which ones should you worry about in real life?
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Earth's 10 Biggest Mass Extinctions in History
A Mysterious Part of Your Brain That Makes You Afraid
6 Things You Should Never Do During a Lightning Storm
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Where to Find America’s Oldest City...

The United States was "born" on July 4, 1776, but the oldest cities in U.S. were established long before the nation was.
ThoughtCo. | Lifelong Learning
Geography
Where to Find America's Oldest City...
The United States was "born" on July 4, 1776, but the oldest cities in U.S. were established decades before the nation was. Though founded by European explorers, most occupied lands were settled by Native Americans long before.
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The Clock That Tells How Close We Are to Nuclear War
The Biggest Capital Cities in the U.S.
How Much Has America Changed Since 1900?
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A Dotdash Brand
1500 Broadway, 6th Floor, New York, NY, 10036
© 2018 Dotdash - All rights reserved. Privacy Policy.