131The Rise of Florence讲解

130The Plow and the Horse in Medieval Europe讲解

129The Origins of Plant and Animal Domestication讲解

128The Origin of Earth’s Atmosphere讲解

127The Multiplier Effect讲解

126The Long History of Overexploitation讲解

125The Language of Iceland讲解

124The Identification of the Genetic Material讲解

123The Greek Revival讲解

122The Geographical Distribution of Gliding Animals讲解