In 1577 English sailor Francis Drake set off on one of the most daring voyages in history, intending to plunder Spanish territories of the New World, cross the vast Pacific Ocean, and become only the second captain ever to circumnavigate...

Learn some basic French greetings.

We've learned about electron configurations, and also about how this plays into ionization, given that elements will tend to ionize in such a way so as to achieve noble gas electron configuration. But certain transition metals will seek...

Learn the basics about solubility rules for insoluble salts, as part of the overall acids, bases and alkali topic.

Chemicals interacting with each other are one of the most fascinating topics in chemistry. Fireworks, burning flares, and rusting all illustrate chemical reactions. The different types of reactions are described, as well as the process...

Just the Facts: The Emergence of Modern America: The Gilded Age uses fascinating historical footage to explore six decades that shaped modern America. The series examines the Gilded Age in the late 19th century, the Progressive Era of...

Chronicles the exploits of Cortes, De Soto, and Coronado; and Spanish incursions into South & Central America, Mexico and the American Southwest. This video introduces the context of Spanish exploration of North America and their...