Chapter 151 - One Step Back (4)

Human progress resembled a staircase structured with dramatic leaps at certain moments, rather than a steadily rising curve.

Humans faced a completely different phase as a species when they began bipedal walking and gained tools in the form of two hands.

These hands created new tools, and as a result, humans gradually climbed higher in the food pyramid.

Then, when they acquired "fire".

Humanity took the top position in the food chain.

Like this, growth to a new stage was singular and explosive.

More than the accumulated growth of the past, it was these momentary, revolutionary evolutions that had led humanity to higher realms.

Then, what if.

If another brain were added to humans to multiply their thinking ability, how much more would it open new horizons in human history?

I was now confirming that...