End of the world: Expert warns of ‘human EXTINCTION’ if scientific test goes wrong

“The rest of the group then say ‘OK, steer clear of those’ and we spread the knowledge. 

“There has always been enough humans left over to keep the species going, even if some had to die along the way.”

However, Mr Clark chillingly reminded listeners how we cannot afford to have this mindset going forward.

He continued: “With existential risks, this is what makes them so different, they don’t follow that model.