Scientists are excavating the ruins of a major civilization which pre-dates both the pyramids and Stonehenge by over 7,000 years. In 15 years, they have uncovered only about 5% of the site.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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In 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
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The strangers in your dreams are actually people that you've seen in real life.
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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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The largest breed of rabbit is the Flemish Giant.
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