1. Other: Re: Which game has more possible mathematical combinations bridge or chess, David Winsemius, MadSci Admin Sun May 10 15:03:33 1998
2. Earth Sciences: Re: How do scientists know if it is a freshwater or saltwater fossil?, David Kopaska-Merkel, Staff Hydrogeology Division, Geological Survey of Alabama Mon Feb 25 11:36:25 2002
3. Earth Sciences: Re: If coal is not a mineral because it is organic, why is diamond a mineral?, David Smith, Director of Professional Development Mon Dec 1 20:29:43 2003
4. Environment/Ecology : Re: Does the solid rocket fuel that NASA uses depleat the Ozone Layer?, David Ellis, Researcher, NASA Lewis Research Center Tue May 6 09:11:28 1997
5. Zoology: Re: Do all Posionous spiders have thick legs?, David Richman, Staff, Entomology, New Mexico State University Thu May 6 09:47:42 1999
6. Engineering : Re: how does a catapult work???, Bill Stewart, Secondary School Teacher, Science, Garrett Academy of Technology Thu May 22 14:13:10 1997
7. Earth Sciences: Re: Can stalactites grow without a stalagmite and vice versa?, David Smith, Director of Professional Development Wed Feb 2 09:05:15 2005
8. Botany: Re: How is lead bound to vegetation on the street side?, David Hershey, Faculty, Botany, NA Sat Jul 23 17:45:50 2005
9. Botany: Re: how/why do shade leaves grow bigger than sun leaves in a tree, David Hershey, Faculty, Botany, NA Sun Oct 10 14:13:51 2004
10. Zoology: Re: which bird flies upside down ?, Steven Williams, Staff, Special Education, none Sun Aug 22 10:30:28 1999
11. Medicine : Re: What causes snoring?, Joseph Agro, SME from AT and T Thu Apr 17 21:11:58 1997
12. Earth Sciences: Re: What happened to the Feldspar in Quartzite during the metomorphic process?, David Kopaska-Merkel, Staff Hydrogeology Division, Geological Survey of Alabama Mon Sep 27 16:39:08 1999
13. Botany: Re: On which types of playground material would moss be most likely to grow on?, David Hershey, Faculty, Botany, NA Thu Dec 16 18:21:17 2004
14. Other: Re: How can I make an ice insulator for an ice cube about the size of a cup?, David Winsemius, MadSci Admin Thu Apr 2 22:08:28 1998
15. Chemistry: Re: How would I flash freeze a ten foot cube of water?, Gregory Fike, Grad student, Paper Science, Institute of Paper Science & Technology Tue Sep 26 20:48:03 2000
16. Neuroscience: Re: Wnat is the link between positive Emotions and endorphins?, Linda J. Weyandt MD/CRNA, Grad student, Psychology/, North Central University Thu Nov 11 17:36:17 1999
17. Other : Re: How dose the soil in a rain forest differ from tipocal Michigan soil ?, David Winsemius, MadSci Admin Sat Oct 18 19:05:26 1997
18. Physics: Re: What is the interaction between 2 Helmholtz coils and a conductor?, David Lay, Faculty, Electrical and Computer Engineering, Queen's University at Kingston Wed Oct 19 07:53:25 2005
19. Chemistry: Re: What are the possible causes of electrolysis of SS salt water piping, David and John Free, Post-doc/Fellow, MFA, MFA Mon Aug 13 20:48:53 2007
20. Engineering: Re: What does the rosin core of solder do that makes solder stick to metal?, David Ellis, Researcher, NASA Lewis Research Center Fri Dec 21 11:10:50 2001
21. Chemistry: Re: what has the properties of colour change with oxidation?, David Akerman, Staff, R&D Scientist, Clear Edge Thu Sep 15 15:04:00 2005
22. Botany: Re: Can plants grow at gretaer than atmospheric air pressure, David Hershey, Faculty, Botany, NA Mon Feb 2 17:18:09 2004
23. Botany: Re: Why is it necessary for nitrogen to be present for life to exist?, David Hershey, Faculty, Botany, NA Sun Jan 19 15:23:23 2003
24. Earth Sciences: Re: Do underwater volcanoes produce obsidian?, David Smith, Director of Professional Development Wed May 5 13:44:59 2004
25. Botany: Re: what is the effect of acid rain on plant seed germination?, David Hershey, Faculty, Botany, NA Tue Nov 11 19:00:19 2003