One sunny day, whilst playing out in the garden, a little boy found a large, green caterpillar sitting on a branch. Utterly enthralled, along with some leaves for food and a climbing stick, he carefully inserted the caterpillar into a glass jar. Finally, he secured the jar with a perforated lid. After a few days, changes started to occur inside the jar. The caterpillar was disappearing inside a cocoon. The boy’s mother explained that soon, the caterpillar would emerge as a b