Today we know money as coins, bills, and credit cards. But it wasn't always this way.
Makes you wonder: What exactly makes something money? What was money like in ancient times, and how did it evolve? As we enter a new digital age, where is it headed?
For the surprising answers to these and other fascinating questions, check out the video above (transcript below), made in a partnership between the Big History Project and HuffPost Science.
Don't forget to leave your thoughts in the comments. Talk nerdy to me!
See all Talk Nerdy to Me posts.
Also on HuffPost:
The Morning Email helps you start your workday with everything you need to know: breaking news, entertainment and a dash of fun. Learn more