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Engineering the SkyGlobal warming is so rampant that some scientists say we should begin altering the stratosphere to block incoming sunlight, even… |
#communication
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The Birth of the NucleusScientists agree that eons ago, a bacterium took up residence inside another cell and became its powerhouse, the mitochondrion. But… |
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Tasting SaltThe pleasantly salty taste sensation is detected by sodium-sensing cells within taste buds on the tongue. Sodium ions enter these… |