Before DNA

ByCarl Zimmer
December 09, 2008

Jennifer writes, “It’s the RNA world hypothesis, but I took a little poetic license and used DNA instead of RNA just because I thought double stranded would be more aesthetic.”

Carl: Here’s an article I wrote for Discover about the RNA world hypothesis for how life got started. And another for Science.

Click here to go to the full Science Tattoo Emporium.

FREE BONUS ISSUE

Go Further