http://news.bbc.co.uk/1/hi/sci/tech/1323485.stm

http://dsc.discovery.com/news/briefs/20020225/eve.html

http://abcnews.go.com/sections/scitech/DailyNews/evolution_outofafrica010109.html

http://www.micro.utexas.edu/courses/mcmurry/spring98/13/hollysherard.html

http://www.geocities.com/acgyles/mreg.html

http://www.actionbioscience.org/evolution/ingman.html