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A comment on Tattoo Ink Nanoparticles Persist in Lymph Nodes (2017). Parent comment

Re:Tattoo Ink Nanoparticles Persist in Lymph Nodes (2017) by greenhatman on Saturday July 21, 2018 @09:55PM (#17584865)
How does downvoting work? I assume only some or really old accounts can do it?
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Re:Tattoo Ink Nanoparticles Persist in Lymph Nodes (2017) by tsally on Saturday July 21, 2018 @09:56PM (#17584873)
It's been a while but last time I checked it was just a certain karma threshold. The idea was to prevent newly registered accounts from spamming downvotes.

But again, haven't actively participated in HN for a while. Things could be different now.

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Re:Tattoo Ink Nanoparticles Persist in Lymph Nodes (2017) by aldoushuxley001 on Saturday July 21, 2018 @09:57PM (#17584874)
above 500 points or something, I believe
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