The Poison Secret

In the year 88 BC, King Mithradates of Anatolia died suddenly after an apparent poisoning. His son, Prince Mithradates, then disappeared for seven years into the woods where he collected hemlock plants and other deadly poisons. Upon his return, he shared a fatal meal with his mother and brother. Mithradates, who ultimately became King, somehow left the meal unharmed.

In modern-day Turkey, a young boy endures a bite from a venomous viper. His doctor reports that the child experienced no ill...