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urobilin
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The Hidden Science Behind Why the Urine Is Yellow in Colour
The first time you stare into a toilet bowl as a child, the question hits you like a revelation: Why isn’t this pee colorless? Water is transparent, yet urine...
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The first time you stare into a toilet bowl as a child, the question hits you like a revelation: Why isn’t this pee colorless? Water is transparent, yet urine...