> Unlike animals, generations of humans don't have to keep re-solving the same problems. As a species we have cumulative persistent memory for techniques and ab

> Unlike animals, generations of humans don't have to keep re-solving the same problems. As a species we have cumulative persistent memory for techniques and abstractions. That's the real game changer. We also don't have to spend 80-90% of our time in a struggle for survival against the elements during this crucial learning period. Humans in developed countries are typically provided for, while doing the majority of their learning.