Why do some animals build helical burrows?

How have animals adapted to the digging lifestyle, and can that help us explain the Devil's Corkscrew? And what are the various ways movies can be censored across the world, and what does that tell us about the world itself?

Images we Talk About:
The Devil's Corkscrew
Mole Skeleton Comparison
Mole Digging Video
Monitor Lizard Burrow
Monitor Lizard Burrows

Timestamps:
(00:00:00) Intro
(00:02:30) Fossoriality
(00:52:58) Movie Censorship
(01:36:53) Outro

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We also learn about: 

Daemonelix or the Devil’s Corkscrew, well Tom I hope one of your facts beats Ella’s giant sloth fact, only nerds know the word fossorial, why dig is easy - how dig is harder, mole skeletons are hyper specialized, moles are herd to catch and keep, I dig holes for me, is that couscous? the silica gel of pasta, x-ray videos of moles digging in couscous, devil’s corkscrew deja vu, first and deepest lizard burough, one of the most stable egg environments for an 8 month incubation, it turns out helixes are more common than we thought, Put! Lizards! In! Couscous! Peter Jackson’s braindead, video nastys, wow blaming media for crime we’ve never heard that before, video nastys were an easy ban because politicans didnt care about them, a microcosm of the moral panics of the time, the military entertainment complex, the US doesn’t have any outright movie bans… but they do have the hayes code, self censorship, no picture show lower the moral standard of those who see it, the commercial influence on self censorship, charlie shackleton’s paint drying film, poilitical movie bans reflect real alliances and tensions, denmark’s only ever banned the disney skeleton dance, Denmark’s freedom of speech is what the US thinks it is, don’t be mean to the military uwu, only 34 foreign films can be shown in china every year, the censorship is coming from inside the house, a Bohemian Rhapsody without mention of sexuality, Tilda Swinton played an asian character to get around mentioning Tibet, World War Z was changed even though it never aired in China, why are you making me defend these bad movies, censorship is as strong as the weakest link in the chain that’s profitable, “it’s all just crazy and some food for thought, thank youuu”

Sources:
NPCA on the Devil's Corkscrew
Smithsonian Mag Devil's Corkscrew
Mole Forlimb Morphology
Mole Senses Paper
Fossorial Ventilatory Response
Mole Rat Lung Comparison Paper
NWF Mole Facts
NYTimes Mole Motion
Yi Fen Lin Mole Walking Paper
Yi Fen Lin Mole Burrowing Paper
Deep Nesting in a Lizard: Deja Vu Devil's Corkscrew: First Helical Reptile Burrow and Deepest Vertebrate Nest.
Helical Burrows Across the Animal Kingdom Paper
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BBFC: Video Nasties
Wiki: Video Nasty
BFI: Unspooling the Video Nasties
Wiki: Film Censorship in the United States
Guardian: Top Gun for Hire
Wiki: List of films banned in the United States
Screen Online: Hayes Code
Vice: Why I’m Making British Film Censors Watch Paint Dry
Wiki: Paint Drying
Wiki: List of Banned Films
BBC: Cambodia Bans Thai Movies
BBC: Russia Bans Death of Stalin
Reuters: Lightyear Banned
Wiki: The Skeleton Dance
EBSCO: History of Censorship in Denmark
English Translation of the Danish Constitution
Wiki: Denmark Motion Picture Content Rating System
Variety: Foreign Titles Squeezed in China Film Market
Harvard: Disney censorship in China
Pen: Made in Hollywood, Censored by Beijing