Courtesy Edward K.L. Chan
Immunofluorescent image of HeLa cells stained for GW182. These so-called GW bodies are important cytoplasmic foci for RNA interference.
The bank note that Dominique Weil used to buy ice cream for her family at the beach this past summer may have traveled a long way. The note, a product of international treaties and detailed artistry, could have crossed a dozen international borders or more. Complicated decisions from individual consumers to corporate accountants and government agencies determined its path from bank to pocket to cash register and back – possibly saved for days or years in case of a rainy day. After getting too old, worn, or torn, treasury inspectors may destroy and replace the note. Or if inflation is too high, it could be removed from circulation altogether.
Organized distribution is crucial to smooth operation in everything from economies to trash disposal. When efficiently optimized, such ...
