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20 Long Held Scientific Beliefs That Have Been Disproven

Science itself is an imperfect science, and using new evidence to question or disprove previously held beliefs is a crucial part of progress. Although we don't often hear about new discoveries in the news, fresh science is going on all around us, and many of our old beliefs have been disproven over the past 10 years. 


For a long time, it was believed that cuts and scrapes were healed by surrounding skin cells creating new skin cells to replace damaged ones. In 2012 however, a study from the University of Michigan suggested that those cells are actually produced by sweat glands, and come up from beneath the cut itself. Have you ever gotten clammy hands after scraping them? That's why. 


Read about that discovery and more in this collection of long-held beliefs that have recently been disproven or called into question.

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