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Tôn Thất Minh Nhật

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Look carefully negative image and guess the name of musician.
A boy is twice as old as his sister, and half as old as their father. In 50 years, his sister will be half as old as their father. How old is the boy now?
Remove 6 letters from this sequence (PSTYCRHEADENCLIEC) to reveal a familiar English word.

Frederick George Donnan

Died 16 Dec 1956 at age 86 (born 5 Sep 1870).British chemist, born in Ceylon, whose research contributed to the development of colloid chemistry. He is remembered for his investigation of the Donnan Effect (1911) which advanced the understanding of the living cell. This is the effect of a semi-permeable membrane between two electrolytes and the electrical potential thereby produced. In other work with soap solutions, he related the efficiency of hydroxyl ions in the emulsification of oils to the formation of soaps on the surface of the drops. In wartime, he worked on the industrial-scale synthesis of ammonia and nitric acid. He was blind in one eye.«

One day, a man came home and w...

One day, a man came home and was greeted by his wife dressed in stunningly sexy lingerie. "Tie me up," she purred, "And you can do anything you want." So he tied her up and went golfing.
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