Search Results | natural environment

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What If We Ran Out of Minerals?

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If minerals make up so much of the Earth, why would we ever face shortages? The availability of the resources we use to create products often depends more on our priorities than the planet's supply.

Perlite: It's Like Popcorn for Your Potting Soil!

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Those white beads you see in potting soil are made of a volcanic glass called perlite. And that's not the only place you'll see this versatile material.

Here's How To Tell a Dead Tree from a Healthy One

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It's sometimes difficult to know if your tree is diseased or dead. Read this article to learn how you can tell if your backyard tree is dead or diseased.

How Japan's Nuclear Crisis Works

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Explosions, fires and dangerous radiation levels dominated the headlines after the March 11 earthquake and tsunami sparked a nuclear crisis in Japan. How did so many safety measures fail?

How Spacewalks Work

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When astronauts talk moonwalking, they don't mean the Michael Jackson dance move. Spacewalks take an entire day of preparation -- and a 240-pound space suit.

How Steak Works

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For the backyard chef and the experienced foodie alike, nothing means luxury like a fine steak. Learn all about steak and how steak works.

What's Your Japanese Spirit Animal?

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Japan is home to an eclectic array of animals both familiar and unusual to those of us in the West. Each animal brings its own unique contribution to the land, but do you know what they could bring to you? Want to discover your Japanese spirit animal? Take the quiz!

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