/u/sericatus's posts in /r/askscience
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If the ozone layer was obliterated by a gamma radiation burst, how long would it take to return to normal levels?
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How can North Korea, a country with so many problems, support the infrastructure and level of technology and stability required to have any nuclear ability?
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How does the amount of information contained in our DNA compare to the amount in a large computer program?
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If we do find extraterrestrial life, will we be able to tell whether or not it is related to life on earth?
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What are the odds of another planet with the same characteristics as earth existing inside our observable universe?
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