The correct spelling is "Hippopotamus". The Hypothalamus is a part of the brain which controls and manages sensory input. Thanks, I really needed a laugh today 
hypothalamus
http://www.chess.com/forum/view/chess-openings/hippopotamus-defence
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opening/strategy with cik-cak pawn opening,interesting but i cant find that thread
anymore,
can somebody help me?
maybe "hypothalamus" is not corect spelling...