The last two messages posted on this list have been off-topic and
Spam. I have changed the settings in the hope of preventing this,
whilst still allowing free discussion among genuine members. If that
does not work I will change further so that all messages have to be
moderated.

Keith

--
Dr. Keith S. Taber
http://people.pwf.cam.ac.uk/kst24/
University of Cambridge Faculty of Education
http://www.educ.cam.ac.uk/staff/taber.html

to join an electronic discussion list on
diagnosing and addressing learning difficulties in science, see
http://people.pwf.cam.ac.uk/kst24/ScienceLearningDoctors.html

to join an electronic discussion list on
learning in science
please visit
http://uk.groups.yahoo.com/group/learning-science-concepts