Why is a Final Performance Called a Swan Song, What Does the Dangly Thing in Your Throat Do, Why Do Other People’s Farts Smell Worse and More

In this week’s “best of” our YouTube channel, we look at a variety of topics, including, why a final performance is called a Swan Song, the purpose of the dangly thing in the back of your throat, the reason other people’s farts smell worse to you, the story behind why we tell actors to break a leg, what type of helmet Vikings really wore and how an LED works. Click here to subscribe to our YouTube Channel for many more videos like this.

Why is a Final Performance Called a Swan Song?

What Does the Dangly Thing in the Back of Your Throat Do?

Why Do Other People’s Farts Smell Worse?

Why Do People Tell Actors to Break a Leg?

Did Vikings Really Wear Horned Helmets?

How Does an LED Work?

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  • Chris Lewis

    Why do people make a 7 minute video to answer a question when a sentence or two will do.