There is a marked and most unfortunate dichotomy in the studies of avian eggs and hence in the application of new findings in commerce. Thus over the past twenty years there has been a renewed interest in the contribu tions of various parts of an egg to embryo development. This is best illustrated by those studies that have explored the diffusion of respiratory gases across the shell and at long last have provided a fundamental definition of a previously nebulous term, porosity. The activity in this general area has led in the past four years to the publication of three major books dealing...

Few portions of the Bible speak as directly to the questions of life as does Ecclesiastes. As you study the unique themes of this book, you will discover that life "under the sun" may seem meaningless, but ultimately, God gives purpose to all human experience.