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Are allergies genetic?Although babies born from parents with allergies are also more likely to have them, there are a number of outside factors that affect whether and how someone develops allergies.
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What would happen to Earth if the sun suddenly vanished?Earth is habitable due to warmth from the sun. So what would happen if the sun disappeared?
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Why does cannabis give people 'the munchies'?A researcher explains how your body processes the THC from cannabis, resulting in "the munchies."
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How many moons are in the solar system?The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many more are waiting to be discovered?
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Why do animals have different pupil shapes?Pupil shapes vary widely across the animal kingdom, from the W-shaped pupils of cuttlefish to the bar-like pupils of goats. But why are animal pupils shaped so differently?
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Why are humans the only species with a chin?Potential explanations abound, yet recent research has shed new light on the question.
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Will the Indus Valley script ever be deciphered?The Indus Valley script dates back around 4,000 years but has yet to be deciphered. Can AI help decode it?
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Can you see Earth's shadow?Earth's shadow follows the planet as it orbits the sun. You can get a sense of its enormous, awe-inspiring size by seeing this silhouette cast on objects ranging from satellites to the moon.
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Why aren't mammals as colorful as reptiles, birds or fish?Many mammals have fur the color of brown and black. Why don't they have more exotic colors, like purple and neon pink?
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