https://www.ted.com/talks/peter_ward_on_mass_extinctions
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With his study of past mass extinctions, Peter Ward is proving that life as we know it today is surviving in a comfort zone and will eventually cease to exist. Visit his Ted.com lecture and pay close attention. Mr. Ward speaks with facts fast and furious.
I agree that Earth will eventually cease to exist but I believe it is possible that we humans can transform ourselves into highly technical machines with the ability to leave this planet and to search the Universe for places to survive. Even if the distances are incredibly long we as machines with human thought processes, will have the ability to recreate ourselves over and over again until we find a planet that will maintain our existence. Even if the planet does not have Earth like conditions it won't matter to self activated thinking machines that can survive under almost any condition. Today, after many years of operation, the Robotic machine rolling on Mars proves this point and continues to work. If we create digital brain cells which clone our human brain cells and we place these synthetic brains into almost indestructible machines, we as a human race will have the ability to expand into the universe.
Nelson Joseph Raglione.