The color of your poop (stool) can provide clues about diseases or conditions affecting the digestive tract. Some of the causes are harmless, like eating colored foods or taking certain medications, ...

Your liver releases bile salts into your stools, giving the stools a brown color. If your liver is not producing enough bile, or if the flow of the bile is blocked and can’t drain from your ...

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Pockels coefficients and permittivity are measured in barium titanate and lithium niobate from 100 MHz to 330 GHz and device geometries are proposed to maintain a constant electro-optic ...