Gerard Leonard and Kathleen Allen describe a variety of nature experiences as a part of the Montessori elementary tradition, beginning with a warning about the way contemporary life constrains children's experience of nature. Through a lyrical rendering of the nature-based expressions of children, Leonard and Allen look at a variety of approaches…

This paper considers some themes that I have discussed before at this seminar in previous years, namely the different perceptions of the best ways to teach chemistry in the nineteenth and early twentieth century between British and American chemists. In this paper I will examine the biographies of a number of nineteenth century British and…

Describes the life of Niels Bjerrum, a Danish physical chemist, best known as the originator of the concept that strong electrolytes are almost completely dissociated into ions in solution. (Author/JN)