TLDR: Big brains have evolved more than once. This is pretty strong evidence that there is most likely big brained aliens outside of our planet as well. Physics seems to lend itself to the development of intelligence.
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Month: September 2019
https://openai.com/blog/emergent-tool-use/
TLDR: Researchers in AI are surprised to find their bots developing cooperative use of tools.
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Aliens in our midst
https://aeon.co/essays/what-the-ctenophore-says-about-the-evolution-of-intelligence
TLDR: The ctenophore developed brains completely differently than every other creature on earth. So, if evolution was “re-run” brains would develop.. but possibly take a different path. Intelligence appears to be an inevitable conclusion of evolution. This also opens the up possibilities as to how aliens also might develop as well.
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Multiple Worlds
https://www.wired.com/story/sean-carroll-thinks-we-all-exist-on-multiple-worlds/
What is reality?
Carroll: The best answer we can give is that reality is a vector in Hilbert space. This is the technical way of saying that reality is described by a single quantum mechanical wave function.
OK, that’s abstract. Please conceptualize this?
We see tables and chairs and people and planets moving through spacetime. Quantum mechanics says that there are no such things as tables and chairs—there’s just something we call a wave function.
Our classical description of the world is a higher level, approximate way of talking about the wave function. The job of physicists and philosophers is to show how, if we live in a world that is just a wave function, then why does it look like there are people and planets and tables and chairs? We don’t have a definite consensus.