Does Planetary Evolution Support Human-Like Life? New Study Suggests We're Not Alone Introduction: Rethinking Human Uniqueness in Evolutionary Progression According to a fresh scientific model, humans may not be unique, but instead the expected outcome of evolutionary progression on Earth and likely other worlds. A New Model Shakes Up the 'Hard Steps' Theory of Evolution A new model overturns the decades-old 'Hard Steps' theory , which posited that intelligent life was an extremely unlikely event. According to Penn State researchers , this fresh interpretation suggests that the development of intelligence may have been a more natural and probable evolutionary process, thereby increasing the chances of its existence beyond Earth. This Represents a Fundamental Change in Our Understanding of Life's History "This represents a fundamental change in our understanding of life's history," said Jennifer Macalady , professor of geosciences at Penn State and ...
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