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How could the universe be a few light-years across one second after the big bang, if the speed of light is the highest possible speed?
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AskScience AMA Series: We are researchers at the Plant Protein Innovation Center at the University of Minnesota. Ask us anything about alternative proteins and their future in our food supply!
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May I please have your educated analysis of the recent 'donought rock' found on Mars by the Opportunity Rover?
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