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Is Intelligent Life Inevitable?

Biologists identified a series of "hard steps" on the journey from abiogenesis - that life evolved naturally from non-living matter - to modern civilisation. These steps, such as the evolution of multi-cellular organisms or even language make the stark suggestion that intelligent life is highly improbable! Instead, the researchers propose that human-like life could be a natural outcome of planetary evolution, increasing the likelihood of intelligent life elsewhere.

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