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Product Number: SB43388M
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During the age of dinosaurs, trees began producing a sticky, protective resin that traps and entombs everything it touches. The hardened, honey-colored resin, known as amber, opens a unique window ... More. |
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Product Number: SB40845M
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Explore the history of paleontology, beginning at the site of an asteroid that may have brought about the demise of the dinosaurs. Explore Linnaeus’ 1735 species classification system and a d... More. |