Russian roulette

Deep sea explorer Victor Vescovo said he had grave misgivings about Titan and that he had told people that diving in the sub was like playing Russian roulette.

"It's like playing Russian roulette and getting the bullet."

That creates what Mr Willison describes as an "immunological Russian roulette", triggering an "acute neurological tsunami" that surges through the peripheral nervous system.

"We're playing a bit of a Russian roulette game," warns Prof England.

Probabilities may seem abstract, but think of it like Russian roulette: Our lives are at stake, and the fossil fuel industry keeps adding bullets to the cylinder.