The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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The largest breed of rabbit is the Flemish Giant.
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Only about 2% of the world population has green eyes.
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Your thumb is about the same size as your nose.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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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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Mars had an oxygen-rich atmosphere around 4 billion years ago
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