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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 Popularityˆ Difficulty Submitted  
181 Homemade Clouds *** *** 06/25/06 by metallicman
182 Tricky Tricky *** ** 01/27/08 by metallicman
183 Crossbow Challenge *** ** 06/10/03 by ejasami
184 Jim and Joe *** * 05/20/11 by Oxiproxd9
185 Tally-Ho *** ** 03/09/03 by tissue
186 Moon Dust Dilemma *** ** 04/17/02 by bobbrt
187 Hair Raising Duffus *** ** 03/06/03 by OD-1
188 Chlorine and Sodium *** * 04/07/02 by bighippo4
189 Water or Oil? *** ** 02/12/03 by Phily
190 Two Black Holes *** ** 07/29/02 by im_para_noid
191 Fossils *** ** 12/25/05 by metallicman
192 Teenage Party *** *** 02/27/08 by Nym_Pimplyee
193 Impossible? *** *** 07/28/06 by medster99
194 Muddy Socks *** ** 10/07/02 by CCat20
195 Duck Duck Duffus *** * 03/18/03 by od-1

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