Topics » Science & Technology   Dec. 8, 2011

Science, Skin Deep

Tree of Life

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Voyager 2 SpacecraftTree of Life Halley's CometDarwin's FinchesPower Equation for BikingGolden Ratio Occam's Razor Voyager Golden Records

Tree of Life

"The tree seems to be a potent symbol of life in human (at least Western) culture, and what better way to augment this symbol by putting the code for life (DNA) at its base?," writes Kevin Bonham. "I got this tattoo to commemorate the beginning of my PhD in immunology."

Photo Essay

Photo Essay