My essays serve multiple purposes for me. Keeps me busy and occupied in retirement. Keeps my mind active. It is a hobby. I learn a lot on subjects I find interesting. But I am no Physicist, Biologist, Chemist, Political Scientist, Economist, Philosopher, Theologist, Paleontologist, Geologist, Historian, Anthropologist, Finance Expert, Climatologist, Meteorologist, etc. I am a writer, nothing more. On factual topics, I learn things and write about them. They help me form a world view and get the best understanding of the truth. It is part of my legacy (primarily the personal and opinion essays) that goes to my heirs and that people who know me might be interested in. What I am willing to share about myself, my opinions and my experiences are in these blogs. Nothing more to add. I provide a free service to people I know who often may not be exposed to these kinds of factual subjects. Others can spend the time and effort to research and do the same thing. But I do ...