1. The FDA allows an average of one rodent hair per 100 grams of peanut butter manufactured. Carlosgaw / Getty Images, Cynoclub / Getty Images The same amount of peanut butter can have no more than 30 "insect fragments". 2. Jelly beans are so shiny because they're coated with shellac, which is made from insect poop. Brianajackson / Getty Images 3. Perfume musk came from a sack in front of a deer's dick. Ipggutenbergukltd / Getty Images Used as a base for most perfumes, musk was originally found in a small sack in front of the musk deer's penis. Nowadays they mostly use synthetic stuff. 4. Natural flavouring substitutes came from a gland right next to a beaver's anus. Anna39 / Getty Images Castoreum is a brown sludge secreted from a beaver's castor gland, right near it's asshole. The sludge was commonly used, and FDA approved, as a vanilla, raspberry, and strawberry flavouring substitute. 5. And an early form of contraception once included soaking dried beaver testicles in a strong alcohol solution and drinking it. Robert Byron / Getty Images 6. There are over 200 corpses of climbers and sherpas on Mount Everest. FOX 7. A koala's cuddle could give you chlamydia. Woodstock / Getty Images Approximately half of Australia's koala population has a strain of chlamydia. While different to the strain that affects humans, if a koala urinates on a person there's a chance of infection. 8. There might be poop in your coffee mug. Getty Images / emojipedia.org According to a professor of environmental microbiology at the University of Arizona, 20% of office mugs have traces of fecal bacteria. Remember that the next time you think your coffee tastes like shit. 9. And a cell phone can have up to ten times more bacteria than a toilet seat. Solidcolours / Getty Images 10. You're probably more bacteria than you are human. Katarzynabialasiewicz / Getty Images The amount of bacteria living within the body of an average HEALTHY adult approximately outnumbers human cells ten to one. 11. This is what a child's skull looks like before they lose their baby teeth. View this image on Imgur 12. There have been human remains found in Disney's Haunted Mansion. Robert Sullivan / AFP / Getty Images Author David Koenig has written several books about Disney's theme parks, and he told the New York Post many people use the Haunted Mansion to sprinkle the ashes of their loved ones. Koenig noted, "The ironic thing is the folks who work the rides say the Haunted Mansion is so well ventilated that any remains you leave behind are probably going to end up in the air conditioning system anyway". 13. When a male lion takes over a pride of females he'll usually try and kill all the cubs that aren't his. Tap to play or pause GIF Tap to play or pause GIF Disney 14. There's an island near Mexico City full of creepy, decaying dolls. Spanglish / Getty Images The way the legend goes, Don Julian Santana left his family to live on an island in the Xochimilco canals. When he was there he saw, or imagined, a young girl that had drowned in the canals, so he dedicated his life to hanging dolls all over the island. And now the island is a wasteland of decaying, decapitated, creepy dolls just... waiting to fill your nightmares. 15. A dragonfly uses its penis as shovel to scoop the jizz of rival dragonflies out of potential mates. Passion4nature / Getty Images In a report all about dragonfly banging, the dragonfly's genitals are described as "rigid, spoonlike, and sometimes spiky". 16. If you're smelling something bad it's because stinky molecules are literally in your nose. Jackethead / Getty Images So next time you think you smell a fart and you take a big whiff, you're sucking up fart molecules right into your nose. 17. There have been reports of vacuum toilets (commonly used on planes and cruise ships) sucking the rectum out of people. Wellesenterprises / Getty Images 18. Banana slugs can grow up to six to eight inches in length. Their erect penis can be JUST AS LONG. Also, the penis grows out of the slug's head. Tap to play or pause GIF Tap to play or pause GIF youtube.com ANNND ALSO after mating, banana slugs will often chew the other's penises off. 19. A 2012 study revealed one in five adults in the US admitted to pissing in public pools. Getty Images / BuzzFeed You're swimming in stranger pee. 20. Also if you've ever gotten red eyes after swimming, it's not from chlorine, it's the result of chemicals mixing with urine. Dusanmanic / Getty Images 21. A 35-year-old London man holds the record for "most amount of maggots moved by the mouth in an hour". View this video on YouTube youtube.com Why is this even a record? Anyway he managed to move 17 kg of live maggots. Why? 22. It's believed that if you eat fast food pretty regularly, you'll consume about 12 pubes a year. Juliaph / Getty Images 23. Buzz Aldrin may not have been the first man on the moon, but he was the first to piss his pants up there. Nasa / Getty Images That's one small step for man, one giant leak for mankind. 24. During his autopsy, Napoleon's dick was removed. It is believed to have ended up in New Jersey. Tap to play or pause GIF Tap to play or pause GIF Getty Images / emojipedia.org Hopefully he doesn't miss his Bonaparte. 25. A male honey bee's ejaculation is so strong it makes his dick explode, killing him. Paramount Pictures The bee ejaculates so hard its genitals rupture, leaving the tip inside the queen. The drone then falls to the ground and dies shortly after. 26. And the shyer a crab is, the more sperm he makes. Byrko / Getty Images Imagine being the one to make that discovery.