Martin developed new methods for studying fish poop. She studied poop from 10 Norwegian fish species: whiting, pollack, Atlantic cod, shorthorn sculpin, mackerel, corkwing wrasse, ballan wrasse, rock ...

While the mechanics of aquaponics are impressive, it’s what fish poop is doing in Omaha that gets my juices flowing. First, there’s the obvious harvest: lettuce, basil, tomatoes and spicy microgreens ...