1. Anatomy: Re: What causes your face to turn green sometimes?, Mark Sheler, Secondary School Teacher, Biology, Physics, Sandusky Community Schools Sun Feb 7 20:28:28 1999
2. Zoology: Re: Have you heard of killing fire ants with steam?, Mark Sheler, Secondary School Teacher, Biology, Physics, Sandusky Community Schools Mon Feb 1 21:34:16 1999
3. Physics: Re: is energy transmitted differently through differently shaped objects?, Mark Sheler, Secondary School Teacher, Biology, Physics, Sandusky Community Schools Mon Feb 1 20:33:46 1999
4. General Biology: Re: Is it hypothetically possible for a 2-dimensional creature to exist?, Mark Sheler, Secondary School Teacher, Biology, Physics, Sandusky Community Schools Tue Dec 29 20:24:43 1998
5. Physics: Re: cool sensation in-closed for sometime jar immediately after opening-why, Mark Sheler, Secondary School Teacher, Biology, Physics, Sandusky Community Schools Thu Oct 22 18:16:09 1998
6. Zoology: Re: How come fire flys show light what is the reason behind it , Mark Sheler, Secondary School Teacher, Biology, Physics, Sandusky Community Schools Sun Feb 21 09:16:49 1999
7. Chemistry: Re: Is a single molecule of water wet?, Mark Sheler, Secondary School Teacher, Biology, Physics, Sandusky Community Schools Sat Feb 27 14:24:16 1999