Our Species Mated With Other Human Species, Study Says
by Hillary Mayell (National Geographic News)
http://news.nationalgeographic.com/news/2002/03/0306_0306_outofafrica.html (March 6, 2002)
Our Species Mated With Other Human Species, Study Says
by Hillary Mayell (National Geographic News)
http://news.nationalgeographic.com/news/2002/03/0306_0306_outofafrica.html (March 6, 2002)