

Build your vocabulary! We add new words for each issue.

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Moon: NASA/HQ/GRIN
Gorilla: Ian Nichols/ National Geographic Stock
Bike: © sn4ke/ Shutterstock
Dino: © Sakala/ Shutterstock
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Return to the Moon Forty years ago, people walked on the moon. Now, NASA wants to go back.

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A Glimpse of Gorillas Thanks to the hard work of a scientist, you can come face-to-face with a gorilla group. Meet a silverback named Kingo and his family on page 8 of our May 2009 issue.
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Pedal Power No matter where you look, bicyclists are on the go. People zoom for fun and zip for work. Travel back to bicycle beginnings on page 14 of our May 2009 issue.
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Dinosaurs in Motion Dinosaurs haven't lived on Earth for 65 million years. Yet in some movies, they seem very real. Learn how moviemakers bring dinos to life on page 20 of our May 2009 issue.
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