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Author Question: Inks on handwritten documents may be compared for their chemical composition by the technique of: ... (Read 27 times) |
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.