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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: 2

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Red crayons

You might wonder why blonde nurses bring red crayons to work.

It's in case they have to draw blood.

A comment from reddit user - Ethyques:

Any crayon would work if it's sharp enough. Otherwise it would be pointless.

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Hooke appointed Curator of Experiments

In 1662, Robert Hooke was appointed Curator of Experiments to the Royal Society, London. The position was established as a provision of the Royal Charter given by King Charles II (passed by the Great Seal on 15 July 1662) to incorporate the Royal Society. The Society was the successor of the Society for the Promoting of Physico-Mathematical Experimental Learning formed by at a meeting of a dozen scientist on 28 Nov 1660 at Gresham College. Hooke was required to demonstrate three or four experiments at every meeting of the Society, starting without recompense until 1664 when the Society was in a position to do so. Hooke's genius produced a wealth of original ideas over the following 15 years.«[Image: from a recently discovered portrait believed (by Lisa Jardine) to be the only authentic picture of Hooke]

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