In addition to the point made by ChristianKI that this may be non-biological, the origin of life is not the only possible Great Filter aspect which could be in our past. Other candidates for example include the rise of multicellular life, the development of complex brain systems (this one is not that likely since it seems to have developed multiple times in different lineages), the development of fire and the development of language.

Open thread, Dec. 15 - Dec. 21, 2014

by Gondolinian 1 min read15th Dec 2014309 comments

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