At three and four and five, children may not be able to follow complicated plots and subplots. But the narrative form, psychologists now believe, is … - Malcolm Gladwell

Kids don't watch when they are stimulated and look away when they are bored. They watch when they understand and look away when they are confused. If you are in the business of educational television, this is a critical difference. It means if you want to know whether-and what-kids are learning from a TV show, all you have to do is to notice what they are watching. And if you want to know what kids aren't learning, all you have to do is notice what they aren't watching. Preschoolers are so sophisticated in their viewing behavior that you can determine the stickiness of children's programming by simple observation.

Don't look at the stranger and jump to conclusions. Look at the stranger's world.

Living a long life, the conventional wisdom at the time said, depended to a great extent on who we were — that is, our genes. It depended on the decisions we made — on what we chose to eat, and how much we chose to exercise, and how effectively we were treated by the medical system. No one was used to thinking about health in terms of community.