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29,632 results found
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Geological History of Oxygen
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Using Genetic Crosses to Analyze a Stickleback Trait
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The Principle of Isostasy
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How To Find a Dinosaur
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Greenhouse Effect
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The Geologic Carbon Cycle
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Weighing the Evidence for a Mass Extinction: On Land
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EarthViewer
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Determining the Size and Energy of the K-T Asteroid
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Following the Trail of Evidence
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Winogradsky Columns: Microbial Ecology in the Classroom
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Activity for The Day the Mesozoic Died
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Chemical Signatures of Asteroid Impacts
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Distribution of Elements in Earth’s Crust
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Calculating Iridium Fallout From an Asteroid Impact
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Weighing the Evidence for a Mass Extinction: In the Ocean
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Lactose Intolerance: Fact or Fiction
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Diet and the Evolution of Salivary Amylase
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Pedigrees and the Inheritance of Lactose Intolerance
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The Making of the Fittest: The Birth and Death of Genes
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The Making of the Fittest: Natural Selection in Humans
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The Making of the Fittest: Natural Selection and Adaptation
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Blood Glucose Data Analysis
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Milk: How Sweet Is It?
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Modeling the Regulatory Switches of the Pitx1 Gene in Stickleback Fish
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