The Surprising Evolution Of Money, In Just Five Minutes (VIDEO)

03/05/2015 09:47 am ET | Updated May 28, 2015

Today we know money as coins, bills, and credit cards. But it wasn't always this way.

Over the centuries, money took many bizarre forms--from sea shells to cakes of salt to even giant stone discs, which date back some several hundred years on the island of Yap.

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.

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