das rad des lebensThe "Wheel of Life" on the T shirt impressively captures the wonder of molecular biology. It is a graphic representation of the genetic code, the universal language of life, which is encoded in every DNA and RNA sequence. The individual letters stand for the bases adenine (A), cytosine (C), guanine (G) and uracil (U), which form the building blocks of RNA. The corresponding amino acids are arranged around them, for which the groups of three or codons