If you’ve ever thought, “What’s the Amazon rainforest ever done for me? Nothin, that’s what,” then you’re dead wrong, friend. It covers 1 percent of the Earth’s surface but houses perhaps 30 percent of its species and it’s invaluable to all life on Earth.

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The Stuff You Should Know Doin’ Science Playlist: How Chaos Theory Changed the Universe
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The Stuff You Should Know Doin’ Science Playlist: How Global Warming Works
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