Is your knowledge of the additives and preservatives in your food limited to what you’ve picked up reading sporadic and alarmist articles on HuffPo? If so, you might want to check out Brooklyn Brainery’s Masters of Social Gastronomy Get Shelved: Preservatives & Convenience Food, a free lecture at Public Assembly that may challenge some of your ideas on the subject. You will hear an Ode to Convenience Food in Three Parts: How Convenience Food Won the Civil War; How Convenience Food Almost Killed Us at the Turn of the Century; and How Convenience Food Liberated the Modern Woman. So maybe it’s not as evil as we thought? Find out on Tuesday night, where you will at the very least arm yourself with new expertise for your next trip to the grocery store or bodega.