This short video lesson examines the zebrafish's amazing regenerative retinas and explores the question of whether blind eyes could possibly regenerate. Assessment and discussion questions, as well as links to additional resources, are included.

This short video lesson describes the human genome by comparing DNA to a detailed manual for building a person out of cells -- with 46 chapters (chromosomes) and hundreds of thousands of pages covering every part of you. Assessment questions and links to additional resources are included.

Duke Professor and behavioral economist Dan Ariely, the author of Predictably Irrational, uses classic visual illusions and his own counterintuitive (and sometimes shocking) research findings to show how we're not as rational as we think when we make decisions.

David Gallo take us on a voyage into the ocean, specifically how and why we explore deep ocean environments. Discussion/assessment questions and suggested supplemental resources are included.

Some people question whether Shakespeare really wrote the works that bear his name – or whether he even existed at all. Could it be true that the greatest writer in the English language was as fictional as his plays? This four-minute video shows how a linguistic tool called stylometry might shed light on the answer.

This resource helps students understand the difference between correlation and causation. Two videos, some questions, and an article are included.

In the TED Ed lesson focused on grammar, students will explore the age-old argument between linguistic prescriptivists and descriptivists — who have two very different opinions on the matter. Discussion questions and additional resources are linked in the sidebar.

In this short talk by Joachim de Posada, a landmark experiment is shared on delayed gratification--and how it can predict future success. With priceless video of kids trying their hardest not to eat the marshmallow.

This brief video lesson discusses the physics of electrical phenomena by looking at the history of the major vocabulary terms associated with electricity such as electron, battery, charge, and current. Discussion/assessment questions and suggested supplemental resources are included.

In the TED Ed lesson focused on Mary Shelley's Frankenstein, students will explore the different strands of thought about art, myth science and family that are woven together in the seminal novel. Discussion questions and additional resources available in the sidebar.

In this TED Ed lesson focused on Homer's "Odyssey," students will explore the cultural background of the work and discuss the significance of its themes. Discussion questions and additional resources available in the sidebar.

In this TED Ed lesson focused on the evolution of the book, students will explore the qualities of a book and how the medium is changing through time and technology. Discussion questions and additional resources available in the sidebar.

This video outlines the similarities and differences between your eye and a video camera, and describes how the eyes are remarkably efficient organs, the result of hundreds of millions of years of coevolution with our brains.

This brief video describes the five ways that evolutionary change can occur. Assessments for the student to complete after viewing the video are also included.

In 1997, Brazilian football player Roberto Carlos set up for a 35-meter free kick with no direct line to the goal. Carlos's shot sent the ball flying wide of the players, but just before going out of bounds it hooked back to the left and soared into the net. This video explains the physics (the Magnus Effect) behind one of the most magnificent goals in the history of football.

This brief video lesson discusses the global water problem of scarcity. Discussion/assessment questions and suggested supplemental resources are also included.

This brief video lesson discusses Mendeleev's work with elements and the organization of the periodic table. Discussion/assessment questions and suggested supplemental resources are also included.

This brief video lesson edxamines the many ways in which energy cycles through our planet, from the sun to our food chain to electricity and beyond. Discussion/assessment questions and suggested supplemental resources are also included.

This video lesson explains how smart advances in vaccine design, production and distribution are bringing us closer than ever to eliminating a host of global threats -- from AIDS to malaria to flu pandemics. Assessment and discussion questions, as well as links to additional resources, are included.