Naegleria fowleri amoeba enter through the nose before travelling to the brain, where they destroy brain tissue and cause an infection that is almost always fatal.
What's the most dangerous item in an office? Are fireworks more likely to kill you than bumble bees? Matt Edmondson and Adam Kay are on a mission to compile the definitive list of absolutely everything that might kill you. And they're leaving no stone unturned in their search....