Planet Earth has not always been the comfortable place that the human race has evolved to inhabit. At one time, the planet existed in an atmosphere of constant reduction. Instead of oxidative molecules like oxygen, carbon dioxide and nitric oxide, the environment contained principally hydrogen, methane, ammonia and hydrogen sulfide.
Excerpt Only This is a shortened version or summary of the article that appeared in the Jan. 1, 2003 issue of Cosmetics & Toiletries magazine. The full content is not currently available online.