

20 Facts about Massively Strange Cases Of Mass Hysteria
Mass hysteria is when a group of people all suffer from the same unexplained physical or mental symptoms or share a belief in a threat that is almost certainly imaginary. Cases of mass hysteria are…
Featured Articles
Featured Quizzes
Get Nerd Certified
Answer 15 out of 25 correctly on these 3 quizzes to prove your nerdy trivia prowess
Get Genius Certified
Answer 15 out of 25 correctly on these 2 quizzes to prove you're a true genius