Crash Course Big History: Why Human Ancestry Matters
Crash Course Big History: Why Human Ancestry Matters
Humans around the world seem all too aware of our differences. But our ancestry shows we all started in the same place and, at least genetically, we’re remarkably alike.
Key Ideas
As this video progresses, key ideas will be introduced to invoke discussion.
Key Ideas
Think about the following questions as you watch the video
- 01:16 How and why did the human population change over the last 200,000 years?
- 04:10 When some humans left Africa 64,000 years ago, how and where did they spread across the globe for the next 50,000 years—at least in theory?
- 05:42 What is the variable that determines skin color, and how genetically different does it make people?
- 07:07 Why do humans seem prone to fighting each other and emphasizing our differences, and how might modern humans avoid this?
- 09:55 How is evolutionary “pseudoscience” dangerous?