Many models use specific posing techniques to make their bodies appear longer and leaner in photos, even if they aren't actually that tall or slender.
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Fossil dung (coprolites) can reveal a surprising amount about a dinosaur's diet, including the types of plants they ate and even the presence of parasites.
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The LD50, a common measure of toxicity, represents the dose of a substance that is lethal to 50% of a test population. It's not necessarily a precise measure for humans, as species can react very differently.
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Meteorologists use weather balloons carrying radiosondes to measure atmospheric conditions at different altitudes, and these balloons sometimes reach the stratosphere – bursting only when the thin air can no longer support them.
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