By: Jim Virkler; ©2014 Dealing with each of the three topics in this post title with any degree of thoroughness could be an exercise in futility. Each topic, however, has…
By: Jim Virkler; ©2014 For animals and plants, including humans, cell division resulting from mitosis results in growth, repair, and renewal of the body and its tissues. Our posts have…
By: Jim Virkler; ©2014 Flashback to memories of your early courses in biology. One term–mitosis–may come to mind. Perhaps you even recall diagrams or animations of chromosome pairs organizing themselves…
By: Jim Virkler; ©2014 Our posts on human reproduction have focused on only one of earth’s species. The total species count is variously estimated to number in the millions. According…
By: Jim Virkler; ©2014 Building projects supply instructive imageries to illustrate life’s important lessons. Imageries use figurative language to make a point. As a classroom teacher, one of my favorite…
By: Jim Virkler; ©2014 The astonishing beginning and subsequent development of the human embryo and its transition to the category of fetus at roughly eight weeks is known to medical…
By: Jim Virkler; ©2014 Few narratives compare with the startling sequence of events leading to the birth of a fully-formed human baby during a nine month time interval. Obstetricians are…
By: Jim Virkler; ©2014 Homeowners exult when the preliminary preparations for a home building project are complete. Months of planning and consultation assumes a new trajectory when the actual initial…
By: Jim Virkler; ©2014 C. H. Spurgeon (1834-1892) was a powerful “Prince of Preachers,” and prolific author. By one estimate he preached to over ten million people. My personal favorite…
By: Jim Virkler; ©2014 When we reside in a home for many years, our awareness of the initial steps in design and construction of the home may diminish with the…