American Indian Sailed to Europe With Vikings?

Five hundred years before Columbus sailed the ocean blue, a Native American woman may have voyaged to Europe with Vikings, according to a provocative new DNA study.

Analyzing a type of DNA passed only from mother to child, scientists found more than 80 living Icelanders with a genetic variation similar to one found mostly in Native Americans. (Get the basics on genetics.)

This signature probably entered Icelandic bloodlines around A.D. 1000, when the first Viking-American Indian child was born, the study authors theorize. (Related: "Vikings' Barbaric Bad Rap Beginning to Fade.")

Read more...http://news.nationalgeographic.com/news/2010/11/101123-native-american-indian-vikings-iceland-genetic-dna-science-europe/