I have been blogging at PeterEliasMD.com for almost 6 months and have learned a great deal.

Beginning at least as early as the pre-Socratic era around 6 centuries BCE, it was assumed that the earth (and therefore humanity) stood at the center of the universe. It was all about us - and only about us. 

My Dad was not a gardener, and yard and garden chores where never a major interest for him. Lilacs, however, were special. He would always stop to comment on the scent and beauty of blooming lilacs. Here, in his own words, is the explanation.