/u/ifhyr's posts
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Let's say that humans make Earth uninhabitable within the next two hundred years. With what we know about the life cycle of our Sun, would there be enough time for the ecosystem to heal and another species to theoretically develop sentience and society before the Sun destroyed the planet for good?
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If an alien species landed on Earth, what are the chances that bacteria they brought with them would wipe out the human population at a similar level to how European diseases wiped out Native Americans?
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Could one equate different species of dogs and cats with different human races? Or would it be closer to the difference between Homo Sapiens and Neanderthals?
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In Interstellar, there’s a planet where one day is like seven years on Earth or something similar. If a human from Earth actually set foot on that world, would they actually be able to survive and return or would there be environmental/temporal factors that would kill them there?
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Why is it that someone of mixed race can have a vastly different skin tone from another person with similar racial parentage?
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