Você está se referindo a " The Nanotech Chronicles " por Michael Flynn, uma antologia de suas próprias histórias com temas de nanotecnologia.
- A história com o grafiteiro é quase certamente " Alma da Cidade ", descrito como;
"a technological battle against outlaw graffiti artists leads to the sophistication of paintings that undergo calculated metamorphoses as their layers are gradually stripped away"
- A história com a transformação do cão é " Werehouse ", descrito assim:
"lycanthropic shapeshifting is a new form of illicit thrill-seeking entertainment made possible through nanotechnology"
- A história com a invenção anti-radiação é " The Washer at the Ford ", descrito assim;
"Based on his former research on radiation resistant bacteria, Koyanagi convinces the group [of six researchers representing six ethical viewpoints] to work on 'nanomachines' that should considerably increase the radioactive radiation resistance of humans by genetic modification of corporal cells. "