Why is a clown’s nose red

It seems that science knows why clowns’ noses are red and their mouths are white.

Scientists used highly sensitive infrared imagers to observe people as they laughed at jokes and video clips. The devices were able to accurately map heat changes in the face.

A hearty laugh was associated with both a reddening of the nose and a white area directly around the mouth – just like the make-up clowns wear.

This is a clown:

clown.jpg

And this is an infrared image of someone laughing:

infrared-clown.jpg

It seems clowns wear the make-up they do to make it seem as if they are genuinely laughing. Ha ha ha. Read more here.

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