How Dams Hold Back Water

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How Fish Swim

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How Journalists Work

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How Light Switches Brighten a Room

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How Mammals Run

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How Political Campaigns and Elections Work

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How Political Parties Work

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How Rockets Reach Space

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How Skyscrapers Stand Tall

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How Snakes Slither

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How the Bomb Changed Everything

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How the Executive Branch Works

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How the Judicial Branch Works

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How the Legislative Branch Works

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How the US Security Agencies Work

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How Toilets Flush and Fill

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