Where did Yin and Yang come from?

Related questions

1. What does it mean to be yin or yang?
2. Which side of the body is Yin?
3. Is Yin white and Yang black?
4. Is metal a yin or yang?
5. Which is the good one yin or yang?
6. What are the origins of Taoism?
7. Is the snake yin or yang?
8. What are the characteristics of Yang?
9. How do I type the yin yang symbol?
10. What happens if yin and yang are unbalanced?

Tags

1. #found
2. #ancient
3. #earliest
4. #remains
5. #divination
6. #early
7. #oracle
8. #origins
9. #inscriptions
10. #characters
11. #bones
12. #practices
13. #animals
14. #least
15. #skeletal
16. #terms
17. #century
18. #various
19. #chinese