Were the Gospel accounts based on the testimony of eyewitnesses who were still alive when the Gospels were written?

How big are the differences between the hand-written copies of the Gospels' accounts of Jesus? Do these undermine what we can know about…

Can we be confident that we have the original text of the Gospels? How does it compare to other ancient documents?

This video describes how the geographical descriptions in the New Testament Gospels demonstrate their reliability.

Are the Gospels full of contradictions? What would have been seen as normal standards of trustworthy historical writing at that time?

Did the early Christian communities apply Jesus's teaching to the problems they faced or alter the facts to fit their agendas?

This video describes the discovery of the earliest copy of part of John's Gospel, the 'John Rylands Fragment'.

Were the Gospel accounts corrupted as they were passed on? Was there any way to prevent this happening?

How many hand-written copies of the Gospel accounts are there? What does this reveal about possible mistakes?