What Are The Odds Of Finding Extraterrestrial Intelligent Life?

Is there anybody out there? Probably not, according to a scientist from the University of East Anglia.

A mathematical model produced by Prof Andrew Watson suggests that the odds of finding new life on other Earth-like planets are low, given the time it has taken for beings such as humans to evolve and the remaining life span of Earth.

Structurally complex and intelligent life evolved late on Earth and it has already been suggested that this process might be governed by a small number of very difficult evolutionary steps.
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