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Onychophagia is the medical term for nail biting. It is a common, repetitive behavior that involves biting or chewing on the nails, cuticles, or nail bed. Causes: The exact cause of onychophagia is unknown,...

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In The Hitchhiker's Guide to the Galaxy, the answer to the "Ultimate Question of Life, the Universe, and Everything" is 42. The meaning of this number is open to interpretation. Explanation: The supercomputer...

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