Glass is made primarily of liquid sand; yes the sand you find on a beach. Made mostly of silicon dioxide, the sand …
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What famous expression is this? Can you count the number of black dots in the image below? What do you see?
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The Boeing 787 Dreamliner aircraft has an ETOPS (extended operations) rating of five and a half hours. This means that if one …
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Also known as the 1918 flu pandemic, the Spanish flu was an extremely deadly influenza outbreak. It infected more than a third …
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Fever is a complex physiological response that occurs in the body when it is fighting an infection or inflammation. It is defined …