A scroll from the Judean Desert proves that the biblical Melchizedek was transformed into the eschatological high priest in some Jewish circles in the first century B.C.E.
Jesus’ Sabbath Dispute with Pharisees in a Cornfield

The debate between Jesus and the Pharisees about plucking and eating corn did not concern labour on the Sabbath but concerned eating food which was allowed only to priests.
Historical Howlers, Funny and Otherwise: Dan Brown’s Backward Understanding of Gnosticism

There are factual errors strewn throughout Dan Brown’s runaway bestseller, The Da Vinci Code.