Diatom

ByCarl Zimmer
June 28, 2008

Richard writes, “On my shoulder. Taken from an engraving by Ernest Haekel.”

Carl: Here’s the Wikipedia page on diatoms, those abundant microscopic shell-builders of the sea. And here’s a gallery of Haeckel’s amazing illustrations—many tattoos in the making (and made, in some cases).

Last Chance - Save up to $20!

PLUS, for a limited time, get bonus gifts and issues with all Nat Geo subscriptions.