What can some of literature's most famous heroes teach us? From the epic hero (like Beowulf) to the tragic hero (like Oedipus), each has something distinctive to share. This four-minute video describes the many faces of the fictional hero -- and shows how they can inspire everyday people.

This brief video lesson discusses pollination networks and how pollintaor species aid in plant reproduction. Discussion/assessment questions and suggested supplemental resources are also included.

This brief video lesson examines the role of the mole in chemistry -- and how something so big can be sued to calculate the tiniest particles in the world. This video could serve as a base introduction to mole ratios and molarity of solutions. Discussion/assessment questions and suggested supplemental resources are also included.

The biggest challenge in a parasite's life is to move from one host to another. Intriguingly, many parasites have evolved the ability to manipulate the behavior of their hosts to improve their own survival -- sometimes even by direct brain control. This video details a few parasites that can really mess with the mind.

This brief video lesson discusses breathing, the respiratory system, and how respiration is both affected by and affects the human body. Discussion/assessment questions and suggested supplemental resources are also included.

In the TED Ed lesson focused on language, students will explore the history of English and why semantically equal phrases can evoke very different images. Discussion questions and additional resources are linked in the sidebar.

This short video lesson explores the question of why some germs are relatively harmless while others can be fatal, by examining germs' varying modes of transmission. Assessment and discussion questions, as well as links to additional resources, are included.

This brief video lesson discusses the weather conditions that foster tornado formation. Discussion/assessment questions and suggested supplemental resources are also included.

This brief video lesson discusses the weather conditions that foster tsunami formation. Discussion/assessment questions and suggested supplemental resources are also included.

This short video lesson examines the process of how vaccines work. Assessment and discussion questions, as well as links to additional resources, are included.

This brief video lesson discusses the concepts of work and power and applies them to two common objects - a lightbulb and a grandfather clock. Discussion/assessment questions and suggested supplemental resources are also included.

Reading and stories can be an escape from real life, a window into another world -- but have you ever considered how new fictional experiences might change your perspective on real, everyday life? From Pride and Prejudice to Harry Potter, you will learn in this four-minute video how popular fiction can spark public dialogue and shape culture.

This brief video lesson discusses how large sea animals collect enough food to sustain them. Discussion/assessment questions and suggested supplemental resources are also included.

Over the course of human history, thousands of languages have developed from what was once a much smaller number. How did we end up with so many? And how do we keep track of them all? This video explains how linguists group languages into language families, demonstrating how these linguistic trees give us crucial insights into the past.

This brief video shows the wide range of reproductive adaptations and strategies that contribute to the success of common invertebrates in the ocean. Discussion/assessment questions and suggested supplemental resources are included.

This brief video lesson discusses how the impacts that humans have made have become so pervasive, profound, and permanent that some geologists believe we merit our own epoch. Discussion/assessment questions and suggested supplemental resources are also included.

This short video lesson gives an overview of Mendelian genetics. Assessment and discussion questions, as well as links to additional resources, are included.

This TED video teaches students how modifiers are words, phrases, and clauses that add information about other parts of a sentences which is usually helpful. But when modifiers aren't linked clearly enough to the words they're actually referring to, they can create unintentional ambiguity. Emma Bryce navigates the sticky world of misplaced, dangling and squinting modifiers.

This brief video lesson illustrates and describes the geologic history of the Earth and how the North American continent was formed over time through the movement of tectonic plates. Discussion/assessment questions and suggested supplemental resources are also included.