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By the tingling in my toes I note it’s the first of a brand new month. Which means it’s time to announce this month’s lucky Naturally Selected sweatshirt winner!

I said I’d award a sweatshirt to the best comment this month. I also ran a picture competition, which nobody was able to get right! However, there were some very funny comments on that post, so this month I’m combining the two and awarding the prize to…

Fred Schaufele, for his wildly inaccurate but amusing comment:

Clearly a Rorschach test for biologists.

All of the prior respondants are delusional. I see a primary cilium (big magenta blob) in a definitely mouse cell line, most likely an ES cell line. The primary cilium is reduced in cells infected with a lentivirus co-expressing GFP with an shRNA preventing the outgrowth of the cilium from the basal body. I