The fascinating science of pain – and why everyone feels it differently

Do you scream when you stub your toe? Could you play a grand final with a shattered jaw, or work all day as your belly fills with blood? When it comes to suffering, perspective is everything

Some say it was John Sattler's own fault. The lead-up to the 1970 rugby league grand final had been tense; the team he led, the South Sydney Rabbitohs, had lost the 1969 final. Here was an opportunity for redemption. The Rabbitohs were not about to let glory slip through their fingers again.

Soon after the starting whistle, Sattler went in for a tackle. As he untangled - in a move not uncommon in the sport at the time - he gave the Manly Sea Eagles' John Bucknall a clip on the ear.