Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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Lurch, a Watusi bull, had the largest horns in the world.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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