![Quarkum]](/wp-content/uploads/2013/04/sitting-quarkum-a.png)
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A pharmaceutical science adventure in AfricaMosquitoes Don't Bite Me
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Check out these awesome scientific cake recipes!GEOLOGY IS A PIECE OF CAKE
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A natural science exploration adventure!Help save the endangered Himalayan Snow Leopard!
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Talk to Me - CLICK HERE TO LEARN MORESecond Edition Is Now Out!
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Read More: BEES ON THE ROOF!Honeybees are going missing!
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Earth In a Changing ClimateVisit us at NSTA
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Space Station Stowaways - G.A.S. AdventureAsteroids, Meteors & More!
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ONLY $8.99 - LIMITED TIME ONLYStem Cells Are Everywhere!
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NSTA-CBC Award Winning BooksTHL Wins 3 NSTA-CBC Awards!
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Check out our books, kits & gamesLeading Publisher of Science Books for Children
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A bedtime read-along for early science learnersElizabeth's Constellation Quilt
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Learn about evolution, caves, biology and more....The Walking Fish
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Adventure + Stink + Science!What's Behind That Smell?
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Magnificent MindsWomen's History Month at THL
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Buy Something Stinks Now!Award Winning Science Content!
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See Our New Shop!Time to Explore Our New Site!
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See Our New Shop!Take a Closer Look
Foreword Reviews Book of the Year!
New: What is a STEM CELL?
HOT: Dinosaur Excavation Kits
