LONDON -- Comedies set behind the scenes at television shows have met with varying success in the past, but Tony Jordan's "Moving Wallpaper"/"Echo Beach" goes one step further by combining backstage ...

If you want your friend to see you in a crowd, you wave your arms to stand out. As University of Rochester researchers found, one reason why this works is that the brain suppresses the background, ...

Visual motion is an important source of information for separating objects from their backgrounds. A spider camouflaged against a branch, for instance, immediately loses its invisibility once it ...