That lump of cartilage that looks like a tag on your ear. Sits about half a centimeter in front of your ear hole, towards the eyes.

Not quite sure what it's for.

The safeguarding of Earth and other worlds from biological cross-contamination (i.e. billionaires with too much time on their hands).

Also known as “planetary protection.” Planetary protection / quarantine “reflects both the unknown nature of the space environment and the desire of the scientific community to preserve the pristine nature of celestial bodies until they can be studied in detail.”

There are two types of interplanetary contamination. Forward contamination is the transfer of viable organisms from Earth to another celestial body. Back contamination is the transfer of extraterrestrial organisms, if such exist, back to the Earth's biosphere.

the bit of your ear cartilidge that sticks out in the middle.

it looks GORGEEEEOUS when pierced, but is quite painful during healing

I just did a wet warm fart and it is going down my leg oh nevermind its just my amazing shit that came in my ears