What if Fungi were the key to our technological advancement? If we could make fungal computers we could become a bio-technical race like Species 8472 in Star Trek Voyager Season 3 Episode 26.
I watched a documentary that proposed eating mushrooms, and the ensuing hallucinations that happened, as the cause of our Neanderthal ancestors developing free thought and the underpinning of creativity that lead to tool development.
There isn't really much "science" to back up these claims. It is fun to think about tho.