第168篇Economic Decline in Europe During the Fourteenth Century

第200篇Pest Control

第231篇The Origin of Earth’s Atmosphere

第264篇Archaeological Evidence of Plant and Animal Domestication

第296篇Industrialized Moths

第328篇Breathing Inside an Egg

第360篇Sea Ice

第393篇Auditory Perception in Infancy

第425篇The Sumerians and Regional Interdependence

第457篇Callisto and Ganymede