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Is Permafrost Really, Well, Permanent?

science.howstuffworks.com/environmental/earth/geology/permafrost.htm

Permafrost across the globe is rapidly melting. What could this mean for the future of the planet?

Siberia's Batagaika Crater Just Keeps Growing, and That's Not Good

science.howstuffworks.com/environmental/earth/geology/batagaika-crater.htm

It's known as the "Gateway to Hell" and while it might not actually get you there, what it will unleash if it keeps thawing could truly be hellish.

Popping a Lawn Bubble Is Like Popping a Zit

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You've probably never seen one, but it looks like a waterbed in your yard. And trust us, if you do see one, you'll have an impulse to pop it.

These Arctic Squirrels Repeat Puberty Every Year of Their Lives

animals.howstuffworks.com/mammals/male-arctic-ground-squirrel-hibernation-puberty.htm

How does hibernation affect the life cycle of the Arctic ground squirrel? This HowStuffWorks article looks at the impact on male puberty.

What are natural gas hydrates?

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What are natural gas hydrates? Learn what natural gas hydrates are in this article.

142-year-old Seed Experiment Continues to Amaze

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How long can seeds last underground and still be capable of germinating? One botanist set out to discover this 142 years ago, and his experiment is still running.

What's the difference between a mammoth and a mastodon?

animals.howstuffworks.com/extinct-animals/difference-between-mammoth-mastodon.htm

Mammoths and mastodons have a few significant differences. Learn more about the difference between the prehistoric animals at HowStuffWorks.

Can You Name These Countries Drastically Affected by the Climate Crisis?

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Part of the world is sinking, part of the world is burning, part of the world is too hot, part of the world is too cold and cyclones, tsunamis, earthquakes and hurricanes are getting stronger. Can you name these countries affected by climate change?

Genetic Analysis Shakes Up Elephant Family Tree, Raising Conservation Issues

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HowStuffWorks looks at a new genetic analysis clarifying the evolutionary relationships between five modern and extinct elephant species.

5 of Earth's Highest Deserts

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Not all deserts have sand and they're certainly not all hot. They're just extremely dry and have little vegetation. That means deserts are located all over the planet, including at super-high elevations.

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