Materials for “First Steps” in Evolution

摘要: In the game of “Twenty Questions” one players thinks some object, and others try to discover what this object is by asking questions being given only yes/no/don’t-know answers. Beginners soon learn that it a mistake start with specific guesses. Rather should general such as: “Is in room?”, “Do you think I have one?”, so on, gradually narrowing field. It amazing how often seemingly obscure objects can be uncovered way, within allowed “twenty questions”.