… hypothesis that Homo ergaster, H. heidelbergensis, and H. sapiens emerged from Africa. According to their model, H. ergaster branched out and led to the rise of H. erectus in Asia; whereas H. heidelbergensis spread more of its species to Europe and…

… groups for primates, and there are many views on them as well. Richard Wrangham believes that primates live in groups the way they do because it lets them defend access to valuable and limited resources (food). This view proves true since it is also…

… the world's population more than doubled in the last half century, crossing the six billion mark in late 1999. Furthermore, world population is still increasing by about 78 million people a year, despite the trend worldwide towards smaller families.…

… Aztecs? Though there appear to be several factors involved in the defeat of the Aztecs, three stood out above the others: (1) superstition, (2) weapons and warring tactics, and (3) the introduction of new diseases. Ten years prior to the arrival of…

… of human life on this planet, I must rely on the observations of others to draw my conclusions. I was not there when the world began, when humans appeared, or when religious texts were written. Furthermore, I have not conducted my own scientific…

… years between the time of the Old World anthropoid Aegygptopithecus, and the appearance of Homo Erectus, our primate predecessors went through a world of change. The fossil, climatic, and archaeological evidence available to us allows us to examine…

… the Valley of Mexico. The valley of Mexico is where the Aztec Empire was mainly located from the early 1600's. In the Valley of Mexico there was no natural outlets and its changing rain fall patterns had sever altercations to lake Texcoco. These problems…

… to me and to my students, yielding up hidden information, furnishing ideas and evidence to the world of the living" (Maples 33). This is a quote from the book Dead Men Do Tell Tales, written by Williams R. Maples, Ph.D. He is referring to bones and…

… are referring to the fact that culture not only includes, but is largely responsible for all human behavior. It is my opinion that humans, for the most part, can be characterized as a sum of their learned behaviors. There are, however, some human…

… "norms", values and morals to judge another culture. We tend to view the way in which we think and act as correct; deviance from these internal "norms" is seen as wrong or abnormal. I think this tendency exists because our ingrained beliefs are often…