If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

10. The Future
What does 13.8 billion years of history tell you about yourself? How does knowing so much about the past change the way you think about the future? These may be the most important questions big history asks. How would you answer them? Big History is an unfinished story.
All content in “10. The Future”

10.0—Looking Back

Before we look to the future, we're going to take a look back at this year in Big History. In this lesson, we’ll revisit our timelines and view the TED talk that started the entire project.


Review Big History vocabulary and take the glossary challenge.


Download the teacher resources from the Big History Project classroom version of this course. Text transcripts for videos are also available.