An assortment of links for Sunday

1. Zume pizzas are made by robots, and they’re cooked in ovens inside delivery trucks on their way to delivery.
2. While dental X-rays account for less than 3 percent of all the radiation that Americans get through medical imaging, every effort should be made to minimize their use.
3. Let’s clear up some of the most common myths and misunderstandings about sulfites, wine, and headaches.
4. There are two reasons why almost all digital B&W is like drinking rotten pond scum.