Suppose, somebody has to estimate the likelihood of one of the following events (or has to estimate which event is more likely): A coin is tossed six times and each time the result is heads. ...
Let's suppose a big ugly monster thingy wants to eat you. While you're running away from it, you're feeling fear. Can this situation be considered one where fear would be rational?
There are many theories/disciplines that have been categorized as pseudoscience in the scientific community. The list includes many things that are regularly even quoted in media like graphology, ...