A Moment of Science
Most people endure acne at some point, and can't wait to be rid of the combination of whiteheads, blackheads, pimples, and pustules.
A sextant is a hand-held gadget that looks like the outline of a large piece of pizza. It is essential for navigation since it helps determine degrees of latitude, telling sailors how far to the north or south of the equator they are located.
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