第264篇Archaeological Evidence of Plant and Animal Domestication

第350篇The Kingdom of Meroe

第578篇The Development of Chinese Dynasties

第430篇Paleolithic Cave Paintings

第215篇Stone Tools and Pottery Fragments

第335篇Porcelain in Seventeenth-and Eighteenth-Century England

119The Faint Young Sun Paradox讲解

132The Role of Diapause讲解

第520篇The Problem of Narrative Clarity in Silent Films

144Water Supply in Venice讲解