If we don’t nuke our species into extinction and if the planet isn’t fragged by a wayward asteroid, what will a human look like in half a billion years? According to Michio Kaku, our successors will not look that much different from the way we do today. That is, unless we face new pressures to evolve.
If humanity isn’t evolving, might we devolve? We go to great lengths to ensure the most feeble survive. For tigers, survival of the fittest is the rule. For people, survival of the mediocre is more typical. Instead of an increasing concentration of the exceptional resulting from disproportionate survival, we can expect an increasing rarity of the exceptional.
One of the things that made humanity phenomenal was our ability for abstraction. I’m afraid that, on the whole, our species’ capacity for abstraction is becoming more concentrated among a relatively few. One interesting factoid is that Young Adult fiction…
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