We May Have Found Evidence Of Powerful Civilizations

We May Have Found Evidence Of Powerful Civilizations ► Subscribe: For us, self-proclaimed technologically advanced creatures, humans of the past may seem incredibly primitive compared to us. An enormous technological gap almost distinguishes us as a new species, and just a few hundred years was enough to make that happen. We think that because human curiosity has no boundaries, our intellectual progress has none either. The truth is, our progress is miniscule on a galactic scale.