検索キーワード： "David North" 古代

This volume, aimed at the general audience, presents life and times of the amazing animals that inhabited Earth more than 500 million years ago. The Cambrian Period was a critical time in Earth's history. During this immense span of time nearly every modern group of animals appeared. Although life had been around for more than 2 million millennia, Cambrian rocks preserve the record of the first appearance of complex animals with eyes, protective skeletons, antennae, and complex ecologies.

The office of the bishop of Rome is one of the most powerful positions in the world. As an ancient institution stretching back for centuries, the papacy has a history that is marked by archaic and modern customs alike. The history of the men who have held this position is fraught with villainous and heroic actions that have left a profound impact on the development of civilization as we know it, both in the West and East.