Prehistory studies changed my life. To think that humanity is here for 200000+ years really gives you a new perspective of society and of our own minds.
Agreed and although it should be obvious the other thing that blows my mind is that the intelligence is exactly the same only the base knowledge starting point differs.
This is up for debate. It is very well possible that you share very little with then. You should read: the breakdown of the bikameral mind and the creation of consciousness.
