Videos

Long-buried secret books of the Bible. A good an evil god. A Gospel of Judas. These are all parts of a mysterious early branch of sects in Christianity called the Gnostics. Who were these people? What did they believe? And why did it take...

Origins of Christianity Lecture Series http://www.ou.edu/content/cte/teaching/articles/origins-of-christianity.html The Origins of Christianity Lecture Series explores the history of Christianity from Jesus to Augustine. The series...

Origins of Christianity Lecture Series http://www.ou.edu/content/cte/teaching/articles/origins-of-christianity.html The Origins of Christianity Lecture Series explores the history of Christianity from Jesus to Augustine. The series aims...

View full lesson: http://ed.ted.com/lessons/the-fight-for-the-right-to-vote-in-the-united-states-nicki-beaman-griffin In the United States today, if you are over eighteen, a citizen, and the resident of a state, you can vote (with some...

View full lesson: http://ed.ted.com/lessons/the-history-of-the-cuban-missile-crisis-matthew-a-jordan Imagine going about your life knowing that, at any given moment, you and everyone you know could be wiped out without warning at the push...

Why didn't the Europeans get sick when they made contact with the American Indians?

View full lesson: http://ed.ted.com/lessons/how-did-hitler-rise-to-power-alex-gendler-and-anthony-hazard Decades after the fall of the Third Reich, it feels impossible to understand how Adolf Hitler, the tyrant who orchestrated one of...

View full lesson: https://ed.ted.com/lessons/the-controversial-origins-of-the-encyclopedia-addison-anderson The first encyclopedia contained 70,000 entries and over 20,000,000 words. It was broken into 35 volumes written over the course...

View full lesson: http://ed.ted.com/lessons/what-makes-the-great-wall-of-china-so-extraordinary-megan-campisi-and-pen-pen-chen The Great Wall of China is a 13,000-mile dragon of earth and stone that winds its way through the countryside...

View full lesson: http://ed.ted.com/lessons/tycho-brahe-the-scandalous-astronomer-dan-wenkel If you think scientists lead boring, monotonous lives, you must not know about Tycho Brahe. The 16th Century CE astronomer who accurately predicted...