Genetic testing is becoming a popular way to reach across the African diaspora, the Atlantic reports from the Aspen Ideas Festival. African Ancestry Inc, Ancestry.com and other companies are catering to a growing group of African Americans who want to use DNA testing to find their roots.
Why it matters: African identities were deliberately erased during the era of American slavery. Families were separated and names were changed. Genetic testing offers a means of discovering aspects of ancestry, though some argue that knowledge is limited.