Ryan L. asks: What makes Mexican jumping beans move around? Not actually a bean at all (beans being seeds from the family Fabaceae, also known as Leguminosae), the Mexican Jumping Bean is the seed pod of a shrub called Sebastiania pavoniana that has been implanted with larva from the Laspeyresia saltitans (also called Cydia deshaisiana) moth. When S. pavoniana begins … Continue reading Why Do Mexican Jumping Beans Jump?