/r/askscience
AskScience AMA Series: We're scientists and entrepreneurs working to build an elevator to space. Ask us anything!
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AskScience AMA Series: We are vertebrate paleontologists who study crocodiles and their extinct relatives. We recently published a study looking at habitat shifts across the group, with some surprising results. Ask Us Anything!
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Does immunity from a virus get remembered for longer if a recovered person is exposed continually to it?
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