In this episode I talk about the age old battle between animals that want to eat plants and plants that don't want to be eaten. One of the defenses that plants use is to create toxins that poison the animals. This is why so many plants are a source of medicines and drugs that affect just about every physiological process in the body of animals. One of the defenses of animals is to rapidly detect a poisonous plant by the taste. They do this by a rapid and specialized form of conditioning calle...