A wonderful collection. Here are just two:
Below: Levels of Consciousness--"The earth and brain are the nucleus of a neuron, whose apical dendrite is a double helix. Reversing the scales reminded me of universal principles that operate across different levels of organization– like diversity is important."
Below: "The Tree of Life--carbon, glucose, light, DNA, and the golden rectangle. A tattoo by Kevin Riley. On the chest of a PhD student in molecular biology."
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