T r o y: There’s cyanide in apple pips – not a lot, but enough to give pips a bitter taste. Enough to kill a really determined apple-pip chomper. Even the oxygen we need to breathe can be lethal

There’s cyanide in apple pips – not a lot, but enough to give pips a bitter taste. Enough to kill a really determined apple-pip chomper. Even the oxygen we need to breathe can be lethal – pure oxygen, that is.