In the last 7 years, humanity has discovered 43 potentially habitable planets.
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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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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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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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Lurch, a Watusi bull, had the largest horns in the world.
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