more puzzles for life

http://www.mindbreakers.com/
http://www.puzzle.dse.nl/index_us.html
http://www.braingle.com/
http://www.iriddler.com/riddles/puzzles/thirst.htm
http://www.justriddlesandmore.com/
http://www.experts-exchange.com/Miscellaneous/Puzzles_Riddles/
http://www.contestcen.com/index03.htm
http://www.google.com/Top/Games/Puzzles/Brain_Teasers/Riddles/