Don Nardo

The U.S. military has several special ops (operations) units. They are trained to work in exteremely difficult situations and environments. One of these groups are known as pararescuemen or PJs. They rescue both their fellow commandos, and civilians caught in dangerous situations such as being wounded in battle, crash in air planes or helicopters, become lost at sea or are trapped behind enemy lines. They risk their own lives living up to their...

Describes how Roman amphitheaters evolved from simple wooden structures to towering stone monuments, such as Rome's Colosseum.

"Greek mythology has long been one of the major literary underpinnings of Western (European-based) culture. What many Westerners do not realize, however, is that very similar tales exist in the mythologies of cultures and peoples around the globe. Looking at the many similarities among the gods and myths of past peoples around the globe, it is only natural to wonder how those parallels came about. A number of modern scholars have concluded that it...

"Massive droughts, stronger hurricanes, larger and more numerous forest fires, loss of habitat for many animal species and the extinction of others, and rapidly melting polar ice are increasingly contributing to the change in climate and the forced migrations of displaced peoples. It is important to stress that such events are worsening far faster than expected"--