How many different squares c...
[1810] How many different squares c... - How many different squares can be found in the shape shown in the illustration? - #brainteasers #math #riddles - Correct Answers: 165 - The first user who solved this task is Ilan Amity
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How many different squares c...

How many different squares can be found in the shape shown in the illustration?
Correct answers: 165
The first user who solved this task is Ilan Amity.
#brainteasers #math #riddles
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Harry under stress

Harry had been feeling sick lately and was finally convinced to see the Doctor after his wife Suzy's urging.
After a thorough examination, and much thought, the Doctor was ready to tell Harry and a very worried Suzy, his prognosis: Harry was too stressed out. He would need 6 months of pure relaxation.
Suzy, very agitated, took out her notepad to begin writing down his list of orders for these months of relaxation.
"How should I go about it?" asked Harry.
"OK," said the doctor, "I would like your wife to take one tranquilizer four times a day..."
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Freeze dried penicillin

In 1941, development work began on the mold cultures Howard Florey and Norman Heatley had brought with them from England to the Northern Regional Research Lab of the U.S. Dept of Agriculture in Peoria, Illinois. They wanted to produce sufficient quantities for treatment of the many wartime military casualties. The potency of the sample provided was preserved by a freeze-drying process devised by Ernst Chain. Heatley remained to get the mold culture started, while Florey left on 17 Jul to enlist drug companies. In the original process, mold was grown only on the surface of the medium in shallow pans. Instead, deep culture fermentation (similar to beer brewing) would be developed using tanks of corn steep liquor to provide a large volume for submerged growth. This greatly multiplied the yield.«
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