Does anyone know any really interesting facts about pigs?

Foot balls used to be made of pig skins. You can deep-fat fry pig skins and they will turn int chicarrones. Pigs are smarter than dogs. Pigs are used to sniff truffles that lay under the ground. Pigs internal organs are similar a human's.

they have hair

Pigs skin is so much like human skin that they used to use it on burn patients. The pigs were specially grown in a very clean environment. It was shipped to hospitals and used when people had large areas of their skin burned.

they kill and eat humans whenever they can catch them. They are really a vicious animal

in asian cuisine, the pig can be eaten from head to toe, ie every part can be served as a dish. for example, there is pig's brain soup, pig's trotters, pig's tail soup, pig's stomach/intestine/liver/kidney soup.

"Archaeological evidence from the Middle East indicates domestication of the pig occurs as early as 9,000 years ago, with some evidence for domestication even earlier in China."

contrary to popular belief, pigs are very clean animals.

They have the intelligence of a three-year-old child.

Pigs don't sweat.