"When many people hear the term climate change, they envision a few random changes in weather patterns that will not affect the planet and humanity until the end of the current century, or even later. This view is dead wrong. Earth's climate is now changing faster than at any point in the history of modern civilization, primarily as a result of human activities. Global climate change has already resulted in a wide range of impacts across every region...

Discusses the weapons of American Civil War soldiers and different means of warfare used during that conflict.

A discussion of the hostilities between European-American settlers and the native American population and their impact on both settlers and Indians.

Discusses some notable female leaders of history, including Cleopatra, Queen Victoria, and Golda Meir.

After the first shots of the Civil War were fired in 1861, both sides thought victory would come quickly. But they were wrong. Battle followed battle, and the death toll climbed. The North and the South were unprepared for the long bloody conflict ahead. Then the two armies met at Gettysburg, a battle that would change the course of history.

Discusses Curtis's early life, how he first became interested in documenting Native American life, the pioneering photographs he took, and his legacy.

Examines the Scopes trial concerning the teaching of evolution in public schools.

Explores and analyzes the historical context and significance of the iconic Cecil Stoughton's photograph taken just hours after the assassination of President John F. Kennedy in 1963 of Lyndon Baines Johnson taking the presidential oath of office on Air Force One.