JONA JAUPI: Millions of fish are harvested across the world each year, but nearly half are killed due to diseases. However, studies have found that by inserting alligator genes into catfish, their survival chances increase by fivefold. The gene, dubbed cathelicidin, contains properties that protect reptiles from infections when wounded. Typically, farmers treat sick fish … Continue reading GATOR-AID: Scientists inject fish with alligator DNA to create mutant creatures that live longer