this post was submitted on 26 Feb 2026
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xkcd

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xkcd #3212: Little Red Dots

Title text:

After a lot of analysis, I've determined that they're actually big red dots; they're just very far away.

Transcript:

Transcript will show once it’s been added to explainxkcd.com

Source: https://xkcd.com/3212/

explainxkcd for #3212

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[–] WalrusDragonOnABike@reddthat.com 12 points 2 days ago* (last edited 2 days ago)

Probably rfp. Maybe localized to mitochondria or something? Which protein are you tagging? What cell line are you using?