Reddit users share the most useless facts they know -- and they're awesome

For some reason or another, we tend to accumulate knowledge that is pretty useless. These trivial facts, however, can be fun to share even if they don't have a purpose. One curious user on Reddit asked the community what their favorite useless fact is, and the answers are pretty interesting.

In case you wanted to know what key a toilet flush is in:

Comment from discussion What's the most useless fact you know?.

One town has a particularly unusual mayor:

Comment from discussion What's the most useless fact you know?.

We never knew that Minnie was actually a nickname:

Comment from discussion What's the most useless fact you know?.

Clouds may look light, but think again:

Comment from discussion What's the most useless fact you know?.

This proves how intricate the human body is:

Comment from discussion What's the most useless fact you know?.

And this one is...truly useless. But who knows, it might be the answer to the winning question on Who Wants to be a Millionaire:

Comment from discussion What's the most useless fact you know?.