Moderator: The title of today's discussion is "Superstitions - what they are, and why people believe in them." Our guest speakers are Joseph Grant, a university professor who lives here in Japan, and Lily Nelson, a visiting professor from Canada. Joseph, can you explain what a superstition is?

Joseph: Superstitions are beliefs for which there is no obvious rational basis. For example, there are various dates and numbers that...

 Tweet