Why Are School Buses Always Yellow?

Everything YOU need to know about why American school buses are this specific color of yellow, why it’s the safest, and most recognizable color your eyes can see. Subscribe for more amazing videos! ► ◄ Before school busses adopted their well-known, striking yellow coats, they were cruising down American streets painted everything from red to […]

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How Fluoroscopy (X-Ray) Works

A hundred years ago an opportunity to literally look through a person would seem crazy to scientists and doctors. In fact, the father of X-rays, German physicist Wilhelm Roentgen, discovered them by accident. But when he was offered to patent his invention, he burst out laughing. He was skeptical about X-rays as he saw no […]

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