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Science Brain Teasers

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

Brain Teasers

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  Title Popularityv Difficulty Submitted  
106 Impossible? *** *** 07/28/06 by medster99
107 Chlorine and Sodium *** * 04/07/02 by bighippo4
108 Tightrope Walkers *** ** 04/23/04 by Jake
109 Tally-Ho *** ** 03/09/03 by tissue
110 Two Black Holes *** ** 07/29/02 by im_para_noid
111 Teardrop Glass *** *** 05/28/02 by im_para_noid
112 Fossils *** ** 12/25/05 by metallicman
113 Moon Dust Dilemma *** ** 04/17/02 by bobbrt
114 nICE Machine *** ** 04/22/03 by od-1
115 Tricky Tricky *** ** 01/27/08 by metallicman
116 Homemade Clouds *** *** 06/25/06 by metallicman
117 Water or Oil? *** ** 02/12/03 by Phily
118 Jim and Joe *** * 05/20/11 by Oxiproxd9
119 Crossbow Challenge *** ** 06/10/03 by ejasami
120 Madadian Assassin *** *** 11/29/04 by Mad-Ade

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