The Smithsonian Institute - Human Origins
Dawn of Humanity
Human Family Tree
Climate Change and Human Evolution
Becoming Human
Geologic Time Scale
Huffington Post - Woolly Mammoth
Cloning a mammoth info from Penn State University
Helpful sites:
Early Earth: the Hadean
Hadean Images
Science for Kids... the Hadean
Precambrian Time
The Cambrian Period
Geologic Time Music Video
Pinocchio Dinosaur