In 2016, physicist Lawrence Krauss promised, “We’re coming very close” to explaining the origin of life via chemical evolutionary models.
Without this ensemble of fitness in nature, there would be no wood, no fire, no metallurgy, no modern technology.
Without lignin, there would be no woody plants, no wood, no coal, no charcoal, no fire, no pottery, and certainly no iron or metallurgy.
Self-evidently, the gravity on the surface of a planet limits the maximum size of large terrestrial organisms.
What can we infer about the cause of the universe, about what brought it into being?