Category: Science Bites
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Every breath you take has a prehistoric connection—you’re breathing the same air as dinosaurs! The Earth’s atmosphere is a closed system, meaning the air molecules we have today have been around for billions of years, constantly recycled through natural processes. Scientists estimate that about 1 in every 5 breaths you take contains air molecules that…
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Your stomach is a beast—it can dissolve a razor blade! Scientists have found that the hydrochloric acid in your stomach, which helps break down food, is so strong that it can corrode metal over time. In a 1997 study at the University of Chicago, researchers swallowed small metal objects (don’t try this at home!) and…