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: 69

The first user who solved this task is Roxana zavari.

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How Many Wives?

Two little boys were at a wedding when one leaned over to the other and asked, "How many wives can a man have?"
His friend answered, "Sixteen... four better, four worse, four richer, and four poorer."

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Henry Taube

Died 16 Nov 2005 at age 89 (born 30 Nov 1915). Canadian-born American chemist who in 1983 won the Nobel Prize for Chemistry for his extensive research into the properties and reactions of dissolved inorganic substances, particularly oxidation-reduction processes involving the ions of metallic elements. Metals often form complexes, in which other atoms cluster around the metal atom, transfering and sharing electrons among themselves to bind together. Taube discovered that during a reaction, a temporary "bridge" of atoms often forms between metal atoms. He studied the electron transfer across this bridge, speeding up reactions that would otherwise happen only slowly or not at all. His ideas are relevant beyond his own field of study, for example, in biochemical processes such as respiration.

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