Found this tonight and found it absolutely fascinating for some reason.
An Optical Illusion that Explains the Origins of Imaginary Monsters
Explains the "blood mary" theory and similar things. And for once, it's an optical illusion that actually works for everyone.
An Optical Illusion that Explains the Origins of Imaginary Monsters
Explains the "blood mary" theory and similar things. And for once, it's an optical illusion that actually works for everyone.