Reprint of the original, first published in 1840.

"The following work is the substance of various speculations, that occasionally amused the author, and enlivened his leisure-hours. It is not intended for the l

Modern science and western culture both teach that the planet we inhabit is a dead and passive lump of matter, but as Stephan Harding points out, this wasn't al

From its beginnings on the still-forming planet to the recent emergence of "Homo sapiens, " one of the world's leading paleontologists narrates how and why life