What did Darwin notice about the pattern of skin color around the world? What idea did he reject about skin color? What does the NASA map show?
What happened to skin color as early humans dispersed from the equator? Why?
What consequences can the migration of people today have because of skin pigmentation?
Why do you think human societies have given social meanings to differences in skin pigmentation (i. e., why do you think we separate people into “races” based on this factor)?
http://www. ted. com/talks/lang/eng/nina_jablonski_b reaks_the_illusion_of_skin_color. html