Biological and cultural roots of the Native Americans
Dental morphology, genetics, and archaeology show that the biological and cultural roots of the Native Americans lie...
X. The Portuguese Empire
The Portuguese Empire , also known as the Portuguese Overseas, was one of the largest and longest-lived empires in world history and...
The Archimedean screw
While in Egypt, Archimedes invented the device that is mostly closely associated with him by
name, the Archimedean screw. This is a helix...
Assyria
The country of Assyria encompasses the north of Mesopotamia, made up of city-states that were politically unified after the middle of the second millennium...
The city of Carthage in North Africa (modern-day Tunisia) was the capital of the Carthaginian empire that controlled parts of the Mediterranean from the...
