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Science brain teasers require understanding of the physical or biological world and the laws that govern it.

Brain Teasers

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  Title Popularity Difficultyˆ Submitted  
76 A Chilly Wager *** ** 07/16/06 by spookboy0
77 Pete the Pilot *** ** 02/27/04 by airhead3
78 I Stayed On Venus *** ** 01/13/06 by mufffin09
79 Gold Bars *** ** 08/13/03 by Smithy
80 An EGGSellent Situation *** ** 04/25/01 by Mr. G
81 Retro Breakthrough 2 *** ** 01/23/05 by The_best
82 Ears of the Elephant *** ** 08/06/01 by rkb-1961
83 The Trouble With Evil Tribbles *** ** 02/05/04 by shadowx8m
84 Paracending *** ** 02/01/03 by skaven
85 Hawaii Lies *** ** 12/29/05 by metallicman
86 Folding Paper *** ** 08/09/01 by beans
87 Juggler Issue *** ** 02/25/09 by rockstar1234567
88 Conversions *** ** 08/28/10 by Mogmatt16
89 Muddy Socks *** ** 10/07/02 by CCat20
90 Fossils *** ** 12/25/05 by metallicman

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