In countries like the United States, people have a superstitious fear of one particular date: Friday the 13th. But why? In this episode, Cristen discusses the two main fears that have fueled the Friday the 13th superstitions, as well as their origins.
Whether the topic is popcorn or particle physics, you can count on the HowStuffWorks team to explore - and explain - the everyday science in the world around us on BrainStuff.
From BrainStuff on TestTube.