Around the house, there are a lot of things people believe because they heard them someone else. This video looks at some of the most popular old wives' tales from around the castle and clarifies what's really going on.
Mental Floss YouTube channel host Elliott is back to uncover the whole truth about household misconceptions. Like the fact that ceiling fans spin in more than one direction (one direction to help cool and the other to help warm), and keeping your lights on all the time won't usually save you electricity.
It's also important to know that the test button on a smoke detector only tests whether the sound is working -- not the actual detector -- and dishes that go through the dishwasher aren't necessarily disinfected. If the dishwasher starts to get dirty itself, it won't clean your dishes very well. Fortunately, there are plenty of ways to clean that thing out.
Misconceptions about Houses [YouTube]