Q: If half-and-half can be ultra-pasteurized to last longer, why can’t milk be ultra-pasteurized so it will last longer? A: Milk can indeed be ultra-pasteurized, according to Karen Curran, a ...

a farmer pouring milk into a metal canister with a cow in the background - Simonskafar/Getty Images There's been a lot of talk in the media about milk. Humans have historically preferred to drink ...