Mind

Before DNA

The LoomBy Carl ZimmerDec 9, 2008 5:53 AM
RNA Tattoo

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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.

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