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True Facts: Snake and Lizard Tongues 

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SHIRTS: ze-true-store.myshopify.com/
PATREON: www.patreon.com/truefacts/
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MUSIC:
soundcloud.com/querflote
Dr. Kurt Schwenk
hydrodictyon.eeb.uconn.edu/eebedia/index.php/Kurt_Schwenk
It was a pretty incredible gift to be able to work with Kurt on this episode. His work spans decades and it took multiple tries to understand it in a way that could be put together in a narrative. I am very grateful for all of his time, warmth and generosity. I had to leave many, many wonderful pieces of research and factoids out due to time constraints but I would urge any of you that are interested to dive deeper into his work.
His colleagues Dr. William G. Ryerson, Ms. Amanda E. Hewes and
Ms. Sara Horwitz contributed a great deal to some of the research that I mentioned.
Dr. Margaret Rubega (rubegalab.uconn.edu/) deserves thanks for introducing me to Kurt in the first place.


Additional footage licensed from:
Pond5.com
Envato Elements
Videoblocks.com
Shutterstock.com

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Nov 17, 2020

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Comments 100   
savana muddypaws
savana muddypaws 36 minutes ago
Looks like Trump's tongue. #Stopthestupid Trump!
bassmith448 bassist
Love the boobie music at the end too. Funky grooves in da house!!!!!!!
Jessie Jubilee
Jessie Jubilee 3 hours ago
“Can’t fool me brain witch.” 🤣
bassmith448 bassist
I died when you said sinus infection!!!!
Leah C
Leah C 4 hours ago
4:25 made me die
LegendPhantom
LegendPhantom 4 hours ago
Looks like not only gonna blow my mind*
Kokichi's_Expired_Panta
POV: You're here from teddy has an operation
Hallebumba
Hallebumba 7 hours ago
i want: Costasiella kuroshimae
Proudly Brown
Proudly Brown 8 hours ago
"you try this. Try flicking your tongue up and down very quickly. When humans do this its called HR violation". One of the many jules.
Simond Frost
Simond Frost 9 hours ago
Bro, I died when he said HR violation. Your a genius!
ChogMils
ChogMils 10 hours ago
uhh how about true fact about zefrank1
LionGaming
LionGaming 12 hours ago
i love this Chanel
Korok Seed
Korok Seed 16 hours ago
I’m not gonna lie, this was actually super interesting
Torti Tongue
Torti Tongue 18 hours ago
I recognize your voice from dear kitten! Or you may not be the person who voiced/narrated in it... sorry if you weren’t, you got a very nice voice and some very funny content here though friend XD
Fluffy waffles fw.
Fluffy waffles fw. 19 hours ago
The end card terrifies me
pluspiping
pluspiping 23 hours ago
Is this the kind of page where I can say "I'm always a slut for fluid dynamics" and people will, like, Get It? Love the in-depth sciencey ness of this video, it's a real treat, and thank you Dr. Schwenk!
Martin Friman
Martin Friman 23 hours ago
Shit, this was seriosly educational 😅
FedBiker
FedBiker Day ago
The sound at 8:31got stuck halfway between my hippocampus and neo-cortex and is now on infinite loop.
R3DLiFE
R3DLiFE Day ago
lmfao !!!! factfull and funny !
Greer McNally
'I'll give an arm and a leg to be the best at it' is now what I'm going to refer to whenever I talk about snakes.
DeathLotus
DeathLotus Day ago
"When humans do this it's called an HR violation"🤣
charizard4321
Next time I see a snake I'm going to ask it what that tongue do😂😂
Muneerah Adams
BRAIN WITCH!!
Kevin Parks
Kevin Parks Day ago
Please do a video on the small and well named bird called a bushtit...
rc casano
rc casano Day ago
“When humans do this, it’s called HR Violation” The ending: 10:18
Rafael Pasito
When human do its called HR [human rights] violations! Hahahaha LoL
Twisty99
Twisty99 Day ago
Where is teddy now?
MsSaraKirkpatrick
"Tongue-Ball"
MsSaraKirkpatrick
Dammit, Jerry! Get it right! One minute in, and we're already yelling at you MULTIPLE TIMES!
GAME-X AD
GAME-X AD Day ago
Teddy is still alive?
Twisty99
Twisty99 Day ago
Probably not
Stormy Davis
Stormy Davis Day ago
God I want to go to therapy so I can call the therapist a brain witch despite their repeated insistence I stop.
Muglorgrimlockable
8:30 I rewound and even slowed it down me and the misses are dying and also copying it all day going randomly.....BLBMBMBLL
Christian Terry
This tongue will blow your mind. That’s what she said
codeman7055
codeman7055 Day ago
You should make videos for whales and sharks
S CO PO
S CO PO 2 days ago
All these lizards give me Schwenks
Jesus jiu-jitsu
Jesus jiu-jitsu 2 days ago
Use this as a "I was today years old when I found out worm lizards were a thing" button.
Asani Williams
Asani Williams 2 days ago
That mouth at the end was traumatizing
Peter Meuller
Peter Meuller 2 days ago
“When humans do this it’s called an HR violation” 😂😂😂😂😂😂
Hunter Clwminsom
Hunter Clwminsom 2 days ago
“Smyooth”
Anna Mishonova
Anna Mishonova 2 days ago
I self-identify as a smarty nipple
Pumkinn
Pumkinn 2 days ago
wheres mr teddy
Jose Arellano
Jose Arellano 2 days ago
HR violation 🤣🤣💀💀
TheOnlyRealTapir
TheOnlyRealTapir 2 days ago
HR violation :DDDD
Samuel Varga
Samuel Varga 2 days ago
9:35
Samuel Varga
Samuel Varga 2 days ago
9:25
Samuel Varga
Samuel Varga 2 days ago
6:58
Rukyura Myky
Rukyura Myky 2 days ago
Why did i click while i was eating, i follow him since the start, i should have known better.
Mr. W
Mr. W 2 days ago
It will blow something, but it's not my mind.
kl Chicago
kl Chicago 2 days ago
I found someone trying to bite your style... but no one will ever say ... Baby's like you baby babys... that's what zefrank1 do......
kl Chicago
kl Chicago 2 days ago
5:27 on the video link
kl Chicago
kl Chicago 2 days ago
us-first.info/player/video/jcZoY66oeYqDgpc.html
davidbwa
davidbwa 2 days ago
I love your videos. I learn things and they make me laugh.
Butacup Pucatub
Butacup Pucatub 2 days ago
I need evolution to wink at the rest of 2020 and all of 2021 please 🧡
NouraJ
NouraJ 2 days ago
😂😂😂 oh Zefrank, both hilarious and education, I nearly peed myself laughing
EternalBear Animates
Can you make a true facts video about kiwis? The bird not the fruit XD
Iverson Paul Alay
"Smyoothe"
Codeman785
Codeman785 3 days ago
During this little snake rave
Mo Na
Mo Na 3 days ago
Could you da a video about the weirdest species of all... the HUMAN?
harrison sim
harrison sim 3 days ago
How can such a simple animal be so complicated
Johnny Woods
Johnny Woods 3 days ago
Brain witches lols, that's a far more accurate job title for psychiatrists.
Owain Thomas
Owain Thomas 3 days ago
I can't believe this is the same guy who did teddy has an operation
happy man
happy man 3 days ago
the way he describes things is the most realistic i have ever seen
alex balfanz
alex balfanz 3 days ago
This is how a healthy bon bon looks like
fds fds
fds fds 3 days ago
So that's what my tongue and lower lip look like slowed down when I make fart noises...
Massage Dot Melbourne
This one is absolute wall to wall 24-carat GOLD. A masterpiece. Just wonderful. Love your work, Ze.
d_piyush
d_piyush 3 days ago
No animals were harmed during the filming of this video but they died because of laughter 😂😂
futsk01
futsk01 3 days ago
Ok that at the end was just excessive.
Chris MacLean
Chris MacLean 3 days ago
These documentaries are so fukking awsome!
Travis B
Travis B 3 days ago
"It's called an HR violation." That one got me good.
Kevin Perry
Kevin Perry 3 days ago
I hate this, and I love this
deanthebean gaming
I’ve watched this about a dozen times, it’s just so great
Nothsa Rekcap
Nothsa Rekcap 3 days ago
Zerfrank: True facts about the Tyrannosaurus Shreks... ...oh wait hold on That’s a typo... True facts about the Tyranosaurus Sex... Jerry is this another typo? Jerry: ... Zerfrank: No? What do you mean it’s your browser history give me the actual script.
Devilofether
Devilofether 3 days ago
6:17 sorry, still here, and now I have subscribed
Higor Araújo
Higor Araújo 3 days ago
"It's sort of like they can smell in stereo." This is absolutely brilliant! As a veterinarian i'll always remember that humorous phrase in my lectures!
Long Hoang
Long Hoang 3 days ago
the outro is epic
Andrew Pearson
Andrew Pearson 4 days ago
OK like if you stuck out your tongue and tired to flick it up and down when he said that hahaha
Meru Me
Meru Me 4 days ago
hey remember ur teddy bear operation vid, haha. i watched that when i was like 6 👋 anyway hello again sir
Timi Haze
Timi Haze 4 days ago
The human tongue was the most disturbing
Kerry Godbout
Kerry Godbout 4 days ago
I had to pause midway through because I laughed so hard I spit my noodles onto my computer.
rasheed gregory
rasheed gregory 4 days ago
Dude I love your videos. I formative and extremely hiladious
Angela Bartlett
Angela Bartlett 4 days ago
"...HR violation." You are a funny man. xD
Diadorim
Diadorim 4 days ago
I love this man and his content with every fiber of my being
Mönkey
Mönkey 4 days ago
One of the best videos that came out on my birthday
Michal Šeps
Michal Šeps 4 days ago
S.T.E.R.E.O. TONGUES!!!
yashua
yashua 4 days ago
From now on I'm calling psychiatrists "brain witches"
Sergio Di Martino
Butt molecules in the air
Sam E
Sam E 4 days ago
"Can't fool me, Brain Witch!" 🤣
DoomFinger511
DoomFinger511 4 days ago
How many of you actually tried flicking your tongue in the air?
nonya business
nonya business 4 days ago
I can never go back to normal docs. I have been spoiled by zefrank and the art of the info doc comedey.
Rusty Shakelford
Rusty Shakelford 4 days ago
Can't fool me, brain witch!
DiscoChixify
DiscoChixify 4 days ago
#Thankmas us-first.info/player/video/j8t_kqemc4l-oaM.html
Rhett Shumway
Rhett Shumway 4 days ago
Oh man this is one of the best ones yet! BRAINWITCH, Seriously how does he so accurately and succinctly describe that profession?!?! LOVE IT
Carbohighstakes
Carbohighstakes 4 days ago
smewth
bocoy noiu
bocoy noiu 4 days ago
That ending shot was disturbing in many ways...
Hookie Doo
Hookie Doo 4 days ago
This tongue will blow up your bicycle tires.
White Fire Productions
"Deep throating a squirrel's butt" Aaaallright, that's enough of that for today.
Lady Tempest
Lady Tempest 4 days ago
I've own snakes, monitors and other lizards... Men should take notes!!
Lady Tempest
Lady Tempest 4 days ago
@bocoy noiu great way to get a raise. Pun intended!!
bocoy noiu
bocoy noiu 4 days ago
When human do this it's called an HR violation 😂😂😂😂
naik naik
naik naik 4 days ago
hehe butt molecules
Jack Davenport
Jack Davenport 4 days ago
He’s back
Jarred Uys
Jarred Uys 4 days ago
All shag carpets are shag carpets of doom.
adrian427
adrian427 4 days ago
the last 10 seconds.......scarred forever
Deadpool
Deadpool 4 days ago
Pls do a colab with David Attenborough.
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