Just in time for the release of his new book, OkCupid founder Christian Rudder revealed the dating website "experiments" on humans. Reuters On the Internet, everyone is a guinea pig -- and a customer.

The Harlem Ashram (1940–1948) was a grand experiment that didn’t go very far. The interracial Christian commune at Fifth Avenue and 125th Street was modeled after ashrams, or Hindu religious centers, ...

The best way to get to understand a person is to walk a mile in their shoes -- or perhaps to exchange their religious beliefs for a whole month. That's the premise behind the Faith Swap experiment ...