Cognitive studies researcher, Samuel Wineburg, has conducted empirical studies over the past decade to compare the way historians think about primary and secondary sources with the thinking processes of high school students and teachers. Wineburg's research demonstrates the importance of domain-based or subject-specific thinking in the teaching…

The voyage of Columbus in 1492 is a turning point in world history. After 1492, people and civilizations of long-separated regions began to develop connections that have led to the incipient global community of the 1990s. It is their global significance that justifies a prominent place in today's curriculum for the four voyages of Columbus to the…