I personally wouldn’t get a tattoo, but I can appreciate a good one – especially if they’re nerdy. Here are some of the best biology themed tattoos (most from here):

The tree of life:Darwin’s finches:Muscle anatomy:DNA:Archeopteryx:E. coli:Fig wasps:Homunculus:This is post 40 of 49 of Blogathon. Pledge a donation to the Secular Student Alliance here.