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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.
Prof Watson, from the School of Environmental Sciences, takes this idea further by looking at the probability of each of these critical steps occurring in relation to the life span of Earth, giving an improved mathematical model for the evolution of intelligent life.
Originally posted by green k
I disagree. I think other life is out there somewhere. The universe is just too big of a place for there not to be more life in it of some kind/form. Now if its intelligent or not is another matter. That I would agree with.
While I do believe life exists (in some form) elsewhere in the universe, I do not believe that we have ever been, or are now being, visited by them.