Originally Posted by Fish
I don't think you understand what it means at all.
Science is not an era. It's not a frame of time. It's not a theory to be applied. There is no point in time where a switch flipped and shit got scientific. Nobody invented science.
It's simply the application of observation and experimentation to better understand the world. A caveman finding a round rock, and noticing that the round rock rolls down the hill better than a square pointy rock, would be considered science. So yes, I'm certain we could find some aspect of Heliopolitan religion that would be considered "Scientific".