Myth of science:

The Bermuda Triangle  Appealing to the imagination of generations, the Bermuda Triangle actually seems to have a rather natural explanation...

The Myth of the German Atomic Bomb
After World War II German physicists like Heisenberg claimed that they intentionally delayed the German bomb. But the transcripts show that they took only peripheral interest in the murder of their Jewish colleagues and had no scruple building the bomb for Hitler. They failed because they lacked the organizatorical skills.