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Nancy standing by the ocean
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Nancy Knowlton by the Ocean

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a diagram of a killer whale using echolocation
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Echolocation

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a diagram comparing the size of a water droplet to the size of a bacteria to the size of a virus
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The Size of a Virus

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among the roots in a mangrove forest
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Florida Mangroves

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an upside down jellyfish
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Upside Down Jelly

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an older woman with short white hair smiles while sitting by a microscope
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Pettibone at the Scope

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an old illustration of an eel
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The European Eel

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a young family of three celebrate the mother's graduation
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Graduation Day

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a young scientist with long black hair sits at her desk
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Adela at the Academy of Sciences

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an advertisement featuring a man in scuba gear and a woman smiling at him
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Coppertone Advertisement

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a man snorkels at the surface near a coral reef while a woman sits on a boat and watches
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Snorkeling in the Great Barrier Reef

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corals in shallow water with sunlight streaming through the surface
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Coral Reefs in the Sunlight

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