Build your vocabulary! We add new words for each issue.
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Gecko: © Ingo Arndt/
Foto Natura/
Minden Pictures/
National Geographic Stock
Mushroom:
© Aleks.k/
Shutterstock
Mars: © Stephen Girimont/
Shutterstock
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Lively Lizards
It climbs tree trunks, scampers across branches, and glides through the air. Meet the gecko!
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Mars Mysteries
No human has ever been to Mars. Compared to Earth, Mars is a cold and bare desert. It is also far away and hard to reach. Blast off with a space scientist as she tries to solve some Mars mysteries!
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Fungus Among Us
Fungi grow underground and in trees. You can even them in space. Fungi are mysterious, too. Most of the time, they lurk out of sight. You don't see them—but they're there. Learn more about the world of mushrooms in our September 2010 issue.
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