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Passport: Show | Hide

Inspired by the Bible's account of the splendor of his temples and palaces adorned in...
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How smart are dogs, and what makes them such ideal companions?

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Elevators have transformed our cities and our lives, but how safe are they?
NOVA  ·  Episode 3715

Secrets of Stonehenge


New archeological finds shed light on this misunderstood monument of the ancient world.

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