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Do Animals Use GPS?
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What Is Geocaching?
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How Hot Is Lava?
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Do You Use Bluetooth?
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What Is a Scavenger Hunt?
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What Happens to the Water at Devil's Kettle?
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What Can Satellites Do?
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What Does a Forester Do?
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Do Spies Really Use Gadgets?
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How Does a Compass Work?
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How Can You Be a Human Compass?
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Where Is the 38th Parallel?
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How Do Birds Know Which Way is South?
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Can a Star Point the Way?
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How Many Continents Are There?
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What Does a Surveyor Do?
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Which Watch Would You Wear?
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Can a Strait Be Crooked?
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What Are Sailing Stones?
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What Is the Space-Time Continuum?