If you had to choose just three theories to explain as much of the world as possible, which would you select?
The ship is sinking. The hot rush of air from below startles you into action and you pause to consider a monumental decision. Splayed across your cabin are all of your favourite theories. But you can only carry three. Which do you take?
Later, reclining in the shade of a palm to escape the heat of the tropical sun, the only soul on an uncharted island deep in the Pacific, you ponde...
