Prehistoric time line, geologic time scale, photos, facts, maps, and more from National Geographic. Humans have walked the Earth for 190,000 years, a mere blip in Earth's 4.5-billion-year history.

Hey Hunters, So I was requested to make a video explaining in the easiest way possible what the latest theories for the ...

The Threshold of the Pacific: an Account of the Social Organisation, Magic and Religion of the People of San Cristoval in the Solomon Islands. By Dr. C. E. Fox. Pp. xvi + 379 + 14 plates, 18s.