A question we hear routinely during trivial or not so trivial conversations is what was first, the chicken or the egg? In this case, after reading the literature I have to ask, what was first, the bird or the dinosaur? Or maybe the bird was always a bird and the dinosaur was always a dinosaur?

Except for God, perfection doesn’t exist, thus the production and consumption of petroleum, which have contributed to so many advances of humanity, has also brought some problems that are discussed here. This is, of course, true of any other natural resources and also of inventions, which bring benefits to humanity but also some unwelcome situations. But overall, however, the benefits outweigh the problems by a significant margin.