Fragile, ethereal, beautiful, the butterfly is at the same time decidedly strange in appearance. They are without mandibles, unlike most insects, but sport instead a proboscis, sometimes one and a half times their body length, which they use to drink liquids as if through a straw. They have large, compound eyes, tiny nails or claws, and strange…

This book contains a collection of 12 articles first printed in the magazine Scientific American. These articles show how life manages to eke out an existence where, by all rights, it shouldn't and helps in explaining the roles of energy and the building-block elements in the cycles of life. The titles include: (1) "The Evolution of the…

A collection of 18 essays originally published in "The American Biology Teacher" in a column headed "Biology Today" are presented. The essays have been reprinted in chronological order and begin with an essay published in March 1982. A variety of types of writings were selected: some focus on teaching biology, others on the science itself. Several…

I used to enjoy art. Not all the arts equally. Overall literature spoke to me most clearly. I am not sure exactly why. I guess some combination of inborn and learned dispositions. Whatever is the case, my enjoyment of literature always seemed natural to me, since literature was of a medium I already knew, the vocabulary and grammar of my own…

It is not always easy for a teacher to relate to his or her students. To communicate with students, it is important for a teacher to relate the subject that he or she is trying to teach is something that the students know, or at least to something that the students care about. In this article, the author, a genetics teacher, relates how he used…

In this article, we describe the development of a mobile butterfly-watching learning (BWL) system to realize outdoor independent learning for mobile learners. The mobile butterfly-watching learning system was designed in a wireless mobile ad-hoc learning environment. This is first result to provide a cognitive tool with supporting the independent…