BRAIN TEASERS

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What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.

Correct answers: 28

The first user who solved this task is Nílton Corrêa de Sousa.

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Monday alarm snoozes

11 snoozes into the Monday alarm clock

and you wondering if the $38 left in your account will do you for the rest of your life if you quit

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Haldan Keffer Hartline

Born 22 Dec 1903; died 17 Mar 1983 at age 79.American physiologist who shared (with George Wald and Ragnar Granit) the 1967 Nobel Prize for Physiology or Medicine for his analysis of how the sensory cells of the retina of the eye evaluate the light stimulus. In his early career, he studied the metabolism of nerve cells and in time came to research individual cells in the retina of the eye. He used tiny electrodes to isolate individual fibres in the eyes of horseshoe crabs and frogs. He learned how impulse generation in the sensory cells transmits a code in response to illumination of different intensity and duration. He spent almost half a century advancing the understanding of the neurophysiology of vision.«

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