This exhaustive study of Paleo-Indians examines many of the sites where evidence of their occupation is found across the North American continent. This National Park Service study looks at evidence in found in projectile points,...

This article examines information on both the rain forest biome and creatures of the rain forest. Topics covered include "puddle club," butterflies, vertebrate predators, and more.

Alex Hawes's article, "Ghosts of Madagascar" examines facts and information related to lemurs. He discusses the current troubling status on lemur populations as well as information on the social chain of command within groups of lemurs.