mother penguin

Grizzly bears are top predators in their habitats. Their enormous size, keen senses, and ultra-sharp teeth and claws make them one of nature's greatest hunters. Learn about their lives and how they hunt down prey.

Hispanic America, Texas, and the Mexican War examines the history of the southwestern area of the United States. Topics covered include the settlement of the area that became the southwestern portion of the United States, detailing how it evolved from land settled by Native Americans, to Spanish territory, to states that were pawns between the North and South prior to the Civil War.

Between 1937 and 1945, approximately 55 million people perished in the series of interrelated conflicts known as the Second World War. No continent was left untouched, no ocean unaffected. The war led to the eclipse of Europe and the emergence of the United States and the Soviet Union as global superpowers; ushered in the atomic age; produced, in the Holocaust, the most horrific crime ever committed in the history of Western civilization, and led to the end of Europe's colonial empires around the world.

Over the span of 24 fascinating lectures, you'll take on the role of a history detective to discover the truth about the Persian Empire. You'll discover the key to the empire's success lay in its greatest rulers, each of whom played a critical role in shaping and strengthening a civilization we still remember today. Take this opportunity to complete your understanding of the ancient world and discover the humanity of the ancient Persians.

Tom Horn: The Controversial Life and Legacy of One of the Wild West’s Most Famous Gunslingers chronicles Horn’s time as a scout, cowboy, Pinkerton agent, and writer, and how he became one of the most famous folk legends.

Ulysses S. Grant's life has typically been misunderstood. All too often he is caricatured as a chronic loser and an inept businessman or as the triumphant but brutal Union general of the Civil War. But these stereotypes don't come close to capturing him, as Chernow reveals in his masterful biography, the first to provide a complete understanding of the general and president whose fortunes rose and fell with dizzying speed and frequency.