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Not Your Average Chalk
To an average person, a piece of chalk is just a piece of chalk. However, to teachers, especially mathematicians, the chalk has to be just perfect. Find out what makes the perfect chalk
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Why do we itch? – Emma Bryce
The average person experiences dozens of individual itches each day. We’ve all experienced the annoyance of an inconvenient itch — but have you ever pondered why we itch in the first place? Is there
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