Dent(ifrice) in the universe

Troublingly, by some measures the most important thing I have ever done is ask a question on the internet site Quora. What does the inside of a toothpaste tube look like?

This question has been viewed 17128 times; it has 1 monitor with 495 topic followers and 0 aliases exist.

I don’t understand the world any more.

Of course, a question on its own is just a question, and what use is that? Because I’m all wonderful and humble, I can recognise that the answers are just as important. They are mostly too heavily visual to reprint here, so if you don’t have any sense you will follow the links to read them, but here is one:

It looks exactly like the inside of the empty brain of someone who clearly has no life.