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MATH PUZZLE: Can you replace...

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

Correct answers: 213

The first user who solved this task is Sanja Šabović.

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The quickest way to a man's heart

The quickest way to a man's heart is through his chest.

Roseanne Barr (November 3 1952-)

Picture: Kevin Winter/Getty Images

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Adolf Friedrich Johann Butenandt

Born 24 Mar 1903; died 18 Jan 1995 at age 91.German biochemist who was the co-winner (with Leopold Ruzicka) of the 1939 Nobel Prize for Chemistry for pioneering work (1929-34) on sex hormones, primarily the isolation of estrone (a hormone that influences development of the female reproductive tract.) Although forced by the Nazi government to refuse the prize, he was able to accept the honour in 1949.

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