A really interesting interview from the <a href="http://www.newscientist.com/channel/opinion/mg18524822.000" target="new">New Scientist</a>, about knowledge of the night sky amongst traditional African tribes, including the Dogon.

"Thebe Medupe grew up in a poor South African village near Mafikeng, about four hours north-west of Johannesburg. He went on to gain a doctorate in astrophysics at the University of Cape Town, and was presenter and associate producer of Cosmic Africa, a feature documentary about traditional African astronomy released in 2002."
 Full interview at <a href="http://www.newscientist.com/channel/opinion/mg18524822.000" target="new">New Scientist</a>

More on the film itself <a href="http://www.scienceinafrica.co.za/2003/november/cosmic.htm" target="new">Here</a>