Why are we so scared of clowns? Here’s what we’ve discovered

‘…there might be something more fundamental about the way clowns look that unsettles people.

In fact the strongest factor we identified was hidden emotional signals, suggesting that for many people, a fear of clowns stems from not being able to see their facial expressions due to their make-up. We cannot see their “true” faces and therefore cannot understand their emotional intent. So, for example, we don’t know whether they have a frown or a furrowed brow, which would indicate anger. Not being able to detect what a clown is thinking or what they might do next makes some of us on edge when we are around them….’

— via The Conversation