BRAIN TEASERS

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Find the right 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: 6

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Grandmother started walking

'My grandmother started walking five miles a day when she was 60. She's 97 now and we don't know where the hell she is.'

Ellen DeGeneres (January 26 1958-)

Picture: Kevin Winter/Getty Images

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Peter Debye

Died 2 Nov 1966 at age 82 (born 24 Mar 1884). Peter Joseph Wilhelm Debye was a Dutch-American physical chemist whose investigations of dipole moments, X rays, and light scattering in gases brought him the 1936 Nobel Prize for Chemistry. Most of his work was in chemical-physics with special interest in electrolytes and dipolar momentum analysis. He established a theory of specific heat with some improvements on that proposed by Einstein. Debye performed important work in the analysis of crystalline powders using X-ray diffraction techniques. He also determined the dimensions of gaseous molecules and the interatomic distances using X-rays.

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