Salvation by science (Natural salvation) Salvation by science (Natural salvation). Immortal life on the earth from the growth of knowledge and the development of the human brain. This book, "Salvation by science (Natural salvation)", by Charles Asbury Stephens, is a replication of a book originally published before 1913. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.