The roots of the gift of speaking in tongues can be traced back to the day of Pentecost, or the day the Holy Spirit descended onto Earth. The Bible describes the event in detail, and today many Christians believe the gift given to them by God is very much alive.
Speaking in tongues is common practice in many Christian churches, but what is it all about, really? Are people actually speaking in a divine language, or are these just arbitrary sounds?
In this gallery, you'll find out where speaking in tongues comes from and the results of a number of studies conducted in an attempt to understand the phenomenon. Click on for more.