Published 5-19-2017 Air pressure is a subject of fascination apart from its relationship to the complex phenomenon of Earth’s weather system. Our planet manifests multiple physical systems worthy of investigation—systems…
Published 5-4-2017 Our current focus on the wonders of air pressure directs us to some deeper questions. It is appropriate to backtrack somewhat to discuss a few questions about constantly…
Published 4-30-2017 During my tenure as an earth science teacher weather was one of my favorite units of study. I hoped it would become a student favorite as well. Many…
Published 4-28-2017 The popular idiom “Vanish into thin air” has acquired meaning in our modern experience. It refers to a mysterious disappearance of something which is no longer visible but…
Published 3-5-2017 Climate change is really a metaphor for global warming in today’s conversation. The warming of our planet is perceived by many citizens as undesirable. Many less informed citizens…
Published 2-21-2017 Human consciousness is on a higher plane than consciousness in animals. Nevertheless, biologists acknowledge that mammals, birds, and perhaps a few lower animals possess the “neurological substrate” to…
Published 12-14-2016 When George H. W. Bush was president of the United States, he was involved in a interesting and humorous “dust-up” with nutritionists and parents alike. The humor of…
Published 11-26-2016 Our recent blog posts have highlighted the human agricultural revolution which occurred about 10-12,000 years ago. The transitions were not uniform in all areas. Some changes had begun…
Published 11-14-2016 Many readers count winter, spring, or summer as their favorite season. Others consider autumn their favorite. Their reasons are abundant and diverse. Many factors contribute to one’s assignment…
Published 10-27-2016 With respect to major turning points in human history, none is more significant than the Neolithic Revolution. Literally, neolithic means new stone age. The term stone age has…