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From cradle to grave, no matter how much fingers grow, everyone's fingerprints are unique and unchanging. (02:30)

Smithsonian Channel

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Preview thumbnail for We Have Sweden and Brazil to Thank for Our Toilet Paper Rolls

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Preview thumbnail for Odysseus’ Journey is a Reflection of our Own Love of Adventure

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Preview thumbnail for Drones Now Play an Active Role in Sea Turtle Census

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Preview thumbnail for Recreating Part of Odysseus’ Journey in a Modern Sailing Boat

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