Spelling error?

Late one night, the shaman calls you to his test.

Do you mean "tent"?

Eliezer, could you please define epiphenomenal?

3.85 billion years of natural selection produced molecular nanotechnology (cells) and Artificial General Intelligence (brains), which even we humans aren't going to get for a few more decades.

Does that mean that the singularity is at least a few decades away?