When it comes to food, our key sources of nutrition haven’t changed much in the last ten thousand years. Though hyped-up food trends and diets come and go, our ancestors established the status quo for our primary protein sources a long time ago: animal products, like dairy, eggs and meat, have been the staples ever since we switched from hunters to farmers. However, with rising global populations driving sky-high demand for animal products, is it time for another food revolution?