What if urinal cakes contained bacteria genetically modified to release an aromatic chemical compound determined by the metabolite content of your pee, providing a truly one-of-a-kind bathroom air freshener?
More substantive issues should occupy a science journalist's mind at so weighty an affair as BIO -- but such is life. So: if you had the knowledge, money and equipment, what would you use the power of biotech to hack, tweak and create? Comment away.
Photograph: David Salafia
