Fossils and Ancient Plants |
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Fossils and Dinosaurs |
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Fossils and Sea Animals |
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Fossils: Clues to ancient life |
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7.2 |
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From Field to Plate |
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From Oil Rig to Gas Pump |
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From Raindrop to Tap |
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From Sunshine to Light Bulb |
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Frozen Extremes |
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Fukushima Nuclear Disaster |
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7.6 |
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Galapagos Islands Research Journal |
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5.3 |
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Galaxies: Immense Star Islands |
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5.8 |
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Gas Giants: Huge Far Off Worlds |
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5.5 |
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Global Climate Change |
NEW
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Global Warming Alert! |
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8.0 |
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Gold |
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7.0 |
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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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Gulf Oil Spill |
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6.8 |
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Habitats and Wildlife in Danger |
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7.3 |
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Heat Wave and Drought Readiness |
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Herramientas espaciales (Space Tools) |
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Hiver (Winter) |
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