For something intangible, a glance can be a powerful thing. It can carry the weight of culture and history, it can cause psychological harm, and it can act as a muzzle. Consider the relatively simple act of a man staring at a woman's body. This is such a common part of modern society that most of us rarely stop to think of its consequences, much less investigate it with a scientific lens.
Tamar Saguy is different. Leading a team of Israeli and US psychologists, she has shown that women become more silent if they think that men are focusing on their bodies. They showed that women who were…