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Generating Wind Power
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7.2 |
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Genetic Engineering
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6.1 |
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Geologists in Action
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Geothermal Energy: Using Earth's Furnace
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7.1 |
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Get Into Wow-Factor Science
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Glaring Light and Other Eye-Burning Rays
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5.6 |
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Glorious Grains
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Good Manners
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Gorilla, Baboon, and Other Troops
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Grasshoppers
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Grassland Biome
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Grasslands Inside Out
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6.1 |
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Great Barrier Reef Research Journal
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6.0 |
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Great Lakes Research Journal
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5.7 |
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Great White Sharks on the Hunt
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NEW
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Grocery Shopping: It's in the Bag
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5.4 |
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Guinea Pigs and other Rodents
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4.0 |
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Gut-Wrenching Gravity and Other Fatal Forces
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5.3 |
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Habitat Clashes
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5.6 |
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Hábitats acuáticos (Water Habitats)
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3.7 |
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Hábitats de jardín (Backyard Habitats)
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2.9 |
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Hábitats subterráneos (Underground Habitats)
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4.2 |
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Hábitats terrestres (Land Habitats)
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Hábitats terrestres (Land Habitats)
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3.9 |
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Canada
USA
