Appendix is not, in fact, useless. This anatomy professor explains
text.npr.org
text.npr.org
- In archeology: unknown -> religious.
- In egyptology: unknown -> tomb.
- In astrophysics: unknown -> dark.
- In mathematics: unknown -> x.
- In computing: unknown -> NULL.
;-)
The second function that it serves is what we refer to as the safe house. So this was a hypothesis that was put forward by a team from Duke University in 2007. And they argued that the appendix may serve as a safe reservoir for the beneficial gut bacteria that we have.