Now writing for Family Tree Magazine and giving talks on DNA, Karen described herself as a historian rather than a scientist.

A great part of living in the 21st century is that if you have a device that connects to the internet, you have access to hundreds, if not thousands of experts who are often eager to share in-depth ...

The accessibility of at-home DNA testing means that practically anyone can send away for a kit and learn about their family history, genetic ancestry and medical information. But some people get more ...