It's Not the End of the World: Swimming with Sharks in Mexico
The ancient civilisation that dreamed up Friday’s end of the world have a fascinating history to investigate.
And they were also convinced the world would end on December 21.
But we are still here and that is good news — not just because you can open your Christmas presents in a few days.
It means that, like me, you can swim with fish the size of a house, in waters close to where the Mayans made their crazy prediction.