The study of life is the domain of biology as a natural discipline. Biology examines all living organisms, and focuses on structure, function, growth, evolution, distribution, as well as the taxonomy of life forms. Life itself is hard to define, because there is such an extraordinary diversity in its manifestations. It is more like a process, rather […]

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Albert and Bernard just met Cheryl. “When’s your birthday?” Albert asked Cheryl. Cheryl thought a second and said, “I’m not going to tell you, but I’ll give you some clues.” She wrote down a list of 10 dates: May 15, May 16, May 19 June 17, June 18 July 14, July 16 August 14, August […]

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