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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?

Correct answers: 208

The first user who solved this task is On On Lunarbasil.

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Out of the mouths of babes

I told my kids that we are no longer saying “shut up” because it sounds mean and can hurt people’s feelings. So my kids are getting creative with their use of words. My 9-year-old daughter was talking and talking, and my 6-year-old son couldn’t take it anymore and said, “SILENCE YOU PEASANT!”

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Sir Thomas Lewis

Died 17 Mar 1945 at age 63 (born 26 Dec 1881). Welsh cardiologist who has been called the “father of clinical cardiac electrophysiology.” He coined the terms “clinical science,” “pacemaker,” “premature contractions,” and “auricular fibrillation.” Thomas Lewis studied the human heart, and how it functions to maintain the flow of blood throughout the body. He performed research on blood vessels and pain. To assist his investigations, Lewis advanced the use of the electrocardiograph, originally developed by William Einthoven. They built on the knowledge of the electrical activity in muscle fibres began with the discovery by Luigi Galvani that electrical stimulation could cause movement in a dead frog's leg (1790). Lewis didn't hesitate to use himself as a test subject. Ironically, he died from a heart attack (his third one).«

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