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Calculate the number 566

NUMBERMANIA: Calculate the number 566 using numbers [5, 8, 3, 9, 11, 539] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 32

The first user who solved this task is Eugenio G. F. de Kereki.

#brainteasers #math #numbermania

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Taking picture at museum

I was at a museum, and I asked a worker there if we were allowed to take pictures.

He told me no, as they had to stay on the walls.

Found on Twitter BytownMuseum posted on 16 Jun 2019

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Victor B. Scheffer

Born 27 Nov 1906.American zoologist, marine mammalogist and conservation writer who was a world authority on the biology and conservation of marine mammals. He worked as a biologist for the U.S. 1937-69 conducting long-term studies on fur seals. He discovered, among other things, that the underfur layer of a seal's coat contains nearly three hundred thousand silky fibers per square inch, and that each year a new dentinal ridge forms on the root of each of its teeth. He began his career sharing the prevailing notion that wildlife was a "resource" to be manipulated, but by the time he retired from government service and turned to a career as a science writer, he had adopted an appreciation of our "dependence upon, and responsibility for, natural ecosystems."

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