Putting Eyeballs on Billboards Might Help Stop Crime (Smithsonian mag)

The feeling of being watched makes human change their behavior, even if it comes from a poster. There’s a reason why so many security signs come with a pair of menacing-looking eyes printed on them: just seeing them might make people act differently around them. Knowing that someone – or something – is watching you can mean the difference between life and death for any animal. […]