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Right, usually it's "speculative theories that we can assemble evidence for by building upon prior work and known facts about the world", which the hydrothermal
by roughly 2y ago
Right, usually it's "speculative theories that we can assemble evidence for by building upon prior work and known facts about the world", which the hydrothermal vent theory is. "Science" when talking about "how did life form" will always be "speculative theories" until we crack the time-travel nut.
- jononomo 2y agoScience also requires a plausible mechanism and an understanding of statistics. "It must have randomly happened even though the chance was less than 1 in ten to the five hundred and twelfth" is about as far as these speculative theories have gotten so far.