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Can you calculate the number...

Can you calculate the number of triangles in the given picture?

Correct answers: 117

The first user who solved this task is Djordje Timotijevic.

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Trouble Sleeping

The woman seated herself in the psychiatrists office. "What seems to be the problem?" the doctor asked.
"Well, I, uh," she stammered. "I think I, uh, might be a nymphomaniac."
"I see," he said. "I can help you, but I must advise you that my fee is $80 an hour."
"That's not bad," she replied. "How much for all night?"

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William Prout

Born 15 Jan 1785; died 9 Apr 1850 at age 65. English biochemist and physiologist who is noted for his discoveries concerning digestion, metabolic chemistry, and atomic weights. He is best known for formulating Prout's hypothesis (1815) which states that the atomic weights of all elements are exact multiples of the atomic weight of hydrogen. At that time the atomic weight of hydrogen was taken to be 1.0, the hypothesis implied that all atomic weights would be whole numbers. In 1818, he isolated urea and uric acid for the first time. Six years later, he found hydrochloric acid in the digestive juices of the stomach. He was the first scientist (1827) to classify the components of food into the three main divisions of carbohydrates, fats and proteins. In 1920, Ernest Rutherford named the proton after Prout.

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