FDA approves genetically engineered salmon, gun control debates overlook the biggest group of gun violence victims—black men—and apps that might help you put old stuff to new use. Forget Black Friday, apps make sharing easierAs individuals and retailers opt out of Black Friday insanity, the sharing economy takes on a new frontier: apps. The “AquAdvantage Salmon” grows about twice as fast as its natural counterpart, and its engineered pedigree will not have to be disclosed to consumers. (via The New York Times)Why politicians need to talk about gun violence—and black livesWhen politicians talk about gun violence, they focus on the tragic mass shootings like those in Newton, Connecticut and Aurora, Colorado. This story shows how one pastor in Boston helped cut the city’s gun related deaths by 63 percent.