A new online tool from Germany is helping people learn more about their family history in a simple and direct way. The search engine allows users to check whether their ancestors were members of the Nazi Party, bringing hidden pasts into the open, reported BBC. The platform lets people search through millions of Nazi Party membership cards, known as the "NSDAP-Mitgliederkartei". It has already helped many users uncover surprising details about their families. One such user is Christian Rainer from Austria, who said he found his grandfather's name within seconds. He said that he found out that his grandfather became...