Ten days after the Chernobyl disaster, further risk of massive thermal explosion was identified. Three men known as “The Chernobyl divers” volunteered to swim through pooled water under leaked reactor to release the safety valves. They died a few days later due to radiation exposure.

Ten miles from the finish line, the winner of the men’s marathon at the 1904 Summer Olympics was given strychnine sulfate, a common rat poison which stimulates the nervous system in small doses, mixed with brandy.