Humans have been puzzled by things like the depths of the ocean and outer space. But one equally mysterious object has been standing right in front of you when you look in the mirror. It’s a human body.

And one TikTok creator named Knowledgesaurus has been stripping away the mystery surrounding it in a series of “How Rare Is Your Body?” videos. From explaining what percentage of people have features like cracked tongue, angled palm crease, or an extra rib, to counting how many people have the ability to write with both their right and left hands, or can make a clover out of their tongue.

The informative and fun videos gained Knowledgesaurus immediate popularity with millions of views and 1.3M followers, so let’s see some of the most interesting body facts that will pump your biology knowledge muscle so you can show it off in the next trivia session.

@knowledgesaurus

How Rare Are You? ##rare ##howrare ##bodyfacts ##mindblown ##fyp ##foryoupage ##greenscreen

♬ original sound - Knowledgesaurus
#1

Rare-Interesting-Body-Facts 25% of people sneeze when they're exposed to direct sunlight. It's called the photic sneeze reflex.

knowledgesaurus , Mikael Blomkvist Report

MagicalUnicorn
Community Member
1 month ago

i have this, can be a bit annoying

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#2

Rare-Interesting-Body-Facts 30% of people can flare their nostrils on command. However that muscle has very little use and is usually weak, so a lot of people can't do it on command.

knowledgesaurus , Pat David Report

Kirsten Kerkhof
Community Member
1 month ago

Admit it: you tried it!

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#3

Rare-Interesting-Body-Facts Only 12% of people have tetrachromacy - the ability to see a lot more colors than the majority of people. They can see about 10 times as many shades and colors as someone with normal vision.

knowledgesaurus , lionstalkscience Report

Chucky Cheezburger
Community Member
1 month ago

Aight dangit, now I wanna know what colors I'm missing out on...Or am I not missing any at all....hmmmmm.

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With 1.4 million followers and 38.5 million likes on TikTok, Knowledgesaurus is the internet’s beloved creator sharing everything interesting—facts, smart observations, and common myths—in lighthearted and fun videos. Bored Panda reached out to Knowledgesaurus to find out more about his personality and how his love for fun facts and dinosaurs won the hearts of the internet.

#4

Rare-Interesting-Body-Facts 2% of people naturally have red hair. In order to have a child with this hair color, both parents need to possess the gene, and while redheads make up a tiny part of the population, one study found that 30% of ads have people with red hair in them.

knowledgesaurus , Monstera Report

Hayley Rodgers
Community Member
1 month ago

My maternal grandma and grandpa were redheads, my mom and sister are redheads, my husband's dad had read hair, my son is a red head. Out of 23 niblings in both families, my son is the only redhead

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#5

Rare-Interesting-Body-Facts Less than 1% of people can hear colors or see sounds (synesthesia).

knowledgesaurus , TEDxPeachtree Team Report

Lucky Kariusmaki
Community Member
1 month ago

That's cool.

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#6

Rare-Interesting-Body-Facts 9% of people can taste the soap taste in cilantro. Cilantro contains the chemical that is also a byproduct of soapmaking.

knowledgesaurus , Michael Lehet Report

Jiska Veldhuizen
Community Member
1 month ago

Yep that's me.. haha

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“I’m 25 years old and have been an entrepreneur since the age of 19. I found success with that early on and ended up dropping out of college. I made good money, but wasn’t happy.” At that point, the TikTok creator took a risk and decided to “stop all that and start something more fun that I’m interested in and that’s how Knowledgesaurus started. I started this account 1/1/2021 with the goal of growing it and making it my full-time job and within 110 days, I was able to reach 1 million followers, which I’m so thankful for!”

#7

Rare-Interesting-Body-Facts 5% of people have amber eyes - golden or coppery with flakes of gold, green or brown. Amber eyes are very common in dogs, bird and fish.

knowledgesaurus , Eric May Report

Navin Kumar
Community Member
1 month ago

that looks so damn good

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#8

Rare-Interesting-Body-Facts Less than 1% of people have this small little hole right on their ear. Some evolutionary biologists claim this used to be a gill on humans.

knowledgesaurus , AdamMichaels784 Report

mia rose waddington
Community Member
1 month ago

wow that is soooo cool

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#9

Rare-Interesting-Body-Facts 24% of people can raise one eyebrow, however you can learn to do this as well.

knowledgesaurus , Lee Haywood Report

Badulesia
Community Member
1 month ago

The Rock says : "I can do this !"

Vermillion Ace #443
Community Member
1 month ago

Same with Johnny Bravo and Dexter. 😂

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Foxxy (The Original)
Community Member
1 month ago

I can only raise my left eye brow, as soon as I try to raise my right my left raises too. Don't understand why though.

Coffeecat
Community Member
1 month ago

Same, but opposite eye brows

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Joey Marlin
Community Member
1 month ago

Can do this, flare my nostrils and wiggle my ears... hee-hee.

Miss Frankfurter
Community Member
1 month ago

I can too. Are you sure we're not twins?

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Daria B
Community Member
1 month ago

I can raise one at a time at will too. My husband says I'm Jim Carry.

Bina Cobbler
Community Member
1 month ago

I can do that with my left eyebrow. It's a vital skill for my teaching job. It gets the job done better than any words will ever do.

Purr·maid
Community Member
1 month ago

🤨

Brandy Grote
Community Member
1 month ago

Can confirm it can be learned!

Otter
Community Member
1 month ago

Apparently not everyone can learn, I tried very hard to master the skill of raising one brow like Mr. Spock during my teen Trekkie years, but failed.

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Eric Law
Community Member
1 month ago

You too can become Mr. Spock!

J_C
Community Member
1 month ago

How does someone "learn" to do this? Would gladly welcome any tips!

Lauren Caswell
Community Member
1 month ago (edited)

Start by raising your eyebrows, get used to the feeling. Then, as best as I can describe it, try to make one frown while keeping the other up? Your eyebrows will need practice to not move in unison, it takes lots of practice. I used to only be able to lift my ŕight brow independently, bit I've managed to teach myself to lift the left separately as well

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Ginny Weasly
Community Member
1 month ago

Lol, my mum did this so much one eyebrow is permanently a little higher than the other 😂

Chillace
Community Member
1 month ago

i can

Equine_Ravenclaw_Directioner
Community Member
1 month ago

I resorted to teaching myself to, I'm getting there! It's awfully useful sometimes.

Kat Hague
Community Member
1 month ago

Yes I can raise one eyebrow I can flare my nostrils and I can wiggle my ears and I can roll my tongue into a tube and make a whistling sound. I literally have no other talent can't draw can't sing can't play music

Louise Stange-Wahl
Community Member
1 month ago

You really need to get on AMERICA'S GOT TALENT! They are the closest to Dave's Letterman's Stupid Human Tricks LOL!

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Seabeast
Community Member
1 month ago

I can raise the left but not the right. A Canadian comedian named Mark Critch can wiggle both and often includes it in his impersonations.

Louise Stange-Wahl
Community Member
1 month ago

So can Mr. Bean!

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Ash Trash
Community Member
1 month ago

I remember teaching myself how to do this with my right eyebrow. And I am currently teaching myself to do it with my left eyebrow. It is an extremely long progress, I practice every time I look in a mirror.

Nikki Sevven
Community Member
1 month ago

Fascinating. I can both raise one eyebrow (but only the left one) and signal the Vulcan IDIC (with both hands). I must have Vulcan lineage. :-)

Nina
Community Member
1 month ago

Me

Faith Nicole
Community Member
1 month ago

I can only raise my left, when I try to raise my right, well, it doesn't work

Daniel Nilssen
Community Member
1 month ago

Jack black is the king

MiniMagz
Community Member
1 month ago

each of my parents can do one (one right, one left) and i can do both :)

J
Community Member
1 month ago

I can do this but only with my eft eyebrow.

Craymoss
Community Member
1 month ago

Just like nose flaring, you can learn how.

EJN
Community Member
1 month ago

Can do very well!

Sue Clasen
Community Member
1 month ago

Me too, I had no idea that our family was so peculiar

Erica Cochrane
Community Member
1 month ago

i learned this as a child from watching Spock

Sabrena Patterson
Community Member
1 month ago

One not the other.

Vicki Perizzolo
Community Member
1 month ago

Mr. Spock.... yes Captain?

Joan CR
Community Member
1 month ago

I can raise my right eyebrow.

Tiffiny
Community Member
1 month ago

Yep

Nikki Angulo
Community Member
1 month ago

And then you can play a Vulcan on Star Trek, lol

Lucia ZG
Community Member
1 month ago

I can do that but only the left one

Onion rings like to make your breath smelly
Community Member
1 month ago (edited)

Bro i already had 2 of these "talents" on this post, how many more do i have?

Rachel Hamrick
Community Member
1 month ago

Y'all are allowing some kid on Tik Tok to use gullible folks to get views. What a shame.

Granny
Community Member
1 month ago

I used to do this at work..drove them nutry lol

Kageyama
Community Member
1 month ago

I can wiggle my eyebrows

UNICORN EM
Community Member
1 month ago

I can do this it is so EZ!!!

Donkey boi
Community Member
1 month ago

I used to try to do this all the time growing up, never mastered it, it only goes up a tiny bit.

Dagnirath
Community Member
1 month ago

My grandfather demonstrated how he could make his eyebrows jump independently once. He said he taught himself how to do it instead of paying attention in high school English.

James Pointer
Community Member
1 month ago

Looks like every photo i ever take lol

Confused Flamingo
Community Member
1 month ago

I could do this and when I tried to raise the other...the left got raised too so I kept on trying for some days and now I can raise both my eyebrows simultaneously at will lol

Grumble O'Pug
Community Member
1 month ago

I think the eyebrow you raise is tied to handedness, too. It's rare to be able to alternate eyebrow raising.

John C
Community Member
1 month ago

I can do both, independently! Again, I directly attribute this to growing up an only child.

StrangerOfTheDark
Community Member
1 month ago

im part of 25%

Cathy
Community Member
1 month ago

I can do it, but with only 1 brow

Flash Henry
Community Member
1 month ago

I can only raise one, not the other.

Ivana
Community Member
1 month ago

I can do both sides, but the left eyebrow is the easiest one. The right eyebrow takes a minute to get with the program.

Computernaut
Community Member
1 month ago

I really wish I could do this.

Arctic Fox Lover
Community Member
1 month ago

I can only raise my right eyebrow when raising one eyebrow at a time. Been trying it with my left. I've not succeeded

Kelsey Schärer
Community Member
1 month ago

I learned to do it as a child (on a boring road trip). Problem is: after 20 years the muscle of my left eyebrow is so much more "trained" that it is higher up than the right one.

sam puckett
Community Member
1 month ago

I can do this

Jo Choto
Community Member
1 month ago

I taught myself after much time and effort. I can now move both eyebrows up and down independently, for all the good it does me.

Miggie
Community Member
1 month ago

Me and my brother can do this!

Imraan Abdirashid
Community Member
1 month ago

wait....... some people cannot raise their eyebrows o my........ I am soo sorrry for the people who cannot raise their eyebrows

Paul Z.
Community Member
1 month ago

\o/

Niall Mac Iomera
Community Member
1 month ago

I can raise both independently, but only in different ways.

somnomania
Community Member
1 month ago

i can only do the left one :(

Lucía Sosa
Community Member
1 month ago

🙋🏻‍♀️

Alditekim
Community Member
1 month ago

I can do either side, with my finger pushing them :))

HooowlAtTheMoon
Community Member
1 month ago (edited)

I can raise my right eyebrow. Not my left one on its own.

Enlee Jones
Community Member
1 month ago

I can raise my left eyebrow.

Nagore Solano
Community Member
1 month ago

i learned how to do this as a kid from one of the spy kids movies!

Heather Ob
Community Member
1 month ago

I taught myself.

Madre_Dr4gnZFly
Community Member
1 month ago

My youngest son can do this.

Shelby Jackson
Community Member
1 month ago

I can. Though mine is more like Vivian Leigh's in Gone with the Wind.

Sara G
Community Member
1 month ago

I can do that. Another thing I was surprised to learn that others can't.

Mad Mar
Community Member
1 month ago

Ya me.

Tom D
Community Member
1 month ago

I can, but only the right one 😅

Karen Kenney
Community Member
1 month ago

Me!

XxxPotatoes_rockxxX
Community Member
1 month ago

dat EASY

Lauren Caswell
Community Member
1 month ago

I can raise my left or right eyebrow independently of each other :)

Ziva Kravdahl
Community Member
1 month ago (edited)

I can raise both (one at once I mean - right, left, right...). Yaaay!

sylvanticx
Community Member
1 month ago

i taught myself how to do one, but i still can't do the other

Nugget
Community Member
1 month ago

I can naturally raise one side and I taught myself the other one 😂

That_WeirdBunBun!
Community Member
1 month ago

My best friend can do this! Maybe I can, but I’m not sure.

Aunt Messy
Community Member
1 month ago

I can - but I learned it.

MidnightSky
Community Member
1 month ago

Can only raise my right alone or both at the same time. Never my left!

Chloe *Leah* Pheonix
Community Member
1 month ago

I just know how to do it. Only one eyebrow tho

Kiki
Community Member
1 month ago

my dad can do both but when I was a baby he would I that to me and I would copying him with both eyebrows but now I can only do my left

Lillukka79
Community Member
1 month ago

Everyone in my family can do this.

Katherine Boag
Community Member
1 month ago

Its hard work, this one

Aeon Flux
Community Member
1 month ago

I've got this one. I could do one automatically, and trained myself to do the other when I was young.

Marcia Cash
Community Member
1 month ago

I wish.....no matter how hard I practice, never happens.

Xylle Flora
Community Member
1 month ago

I can lift both

Rainy Day Wolf
Community Member
1 month ago (edited)

I had a bf who could raise them independently... Weirdly I've noticed that the eyebrow I can't move independently on command raises independently when I'm puzzled so I know one day I will learn how to move it damn it!

I am not an addict
Community Member
1 month ago

My eyebrows are the most flexible parts of my body!

Naima Jackson
Community Member
1 month ago

I knew it. I AM RARE

Alexia
Community Member
1 month ago

I can do it (only the left one), but it's a result of practice. As a child, I was trying to immitate a movie character who'd regularly do this =))

DancingPig
Community Member
1 month ago

So far that's the only one I have 😄

Piper McLean
Community Member
1 month ago

I do this. It’s a good look to give when someone says something dumb

Emperor Kitten
Community Member
1 month ago

I can do this with both eyes (individually)

Sky Render
Community Member
1 month ago

I've always had this for my right eyebrow, and trained my left eyebrow to do it as well. It's fun!

Nahn Yahbiz
Community Member
1 month ago

I can arch my left eyebrow, or both eyebrows (for a really funny "angry" look) but I can't arch my right eyebrow.

Val Tester
Community Member
1 month ago

I can raise my left or my right

Kno
Community Member
1 month ago

Only the left one. 31 years old, still haven't figured out the muscles.

Curry on...
Community Member
1 month ago

I can only raise my left eyebrow.

Amy Dodds
Community Member
1 month ago

I taught myself to do this! Lots of flexing in the mirror. All the characters in my books would raise an eyebrow and I felt I was missing out on this facial expression. Now I can visibly show people my disapproval and disdain hurrah

MilaFi
Community Member
1 month ago

I can do this! I did this without realizing. When asking a question like, really? And by left brow would shoot up! I practiced a bit and now I can switch from side to side.

Carmen Sandiego
Community Member
1 month ago

OOOH I can do that!

Clearly sunny
Community Member
1 month ago

Can do it.

Ms.M.
Community Member
1 month ago

My grandfather did this. Ahhh, fond memories... ❤️

J. F.
Community Member
1 month ago (edited)

A move that can say more than any word - my sister always hates it when do this in a conversation

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When asked how he came up with the idea for the "How Rare Are You?" series, Knowledgesaurus said it started after making a bunch of videos and seeing what people enjoyed watching. “I realized that people love to know information about themselves and love statistics. So that’s how the series began.”

“I always loved knowing random useless information to surprise people with,” the content creator said and added: “I think it all started when I was younger. If someone was talking about something I didn’t know much about, I would go and look up stuff about it and find interesting information about that topic so I could have a better conversation next time.”

#10

Rare-Interesting-Body-Facts 10% of people have something called Morton's toe. It's when your big toe is shorter than the one next to it. The Statue of Liberty actually has a Morton's toe as well.

knowledgesaurus , Jonnystahl Report

mia rose waddington
Community Member
1 month ago

thats me

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#11

Rare-Interesting-Body-Facts Only 33% of people can whistle. Almost everyone has the ability to whistle, it just takes the right techniques.

knowledgesaurus , Sora Shimazaki Report

Kirsten Kerkhof
Community Member
1 month ago

Well, if you can't whistle it's because you didn't eat the crusts of your bread. Or so my mother claimed.

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#12

Rare-Interesting-Body-Facts Only 1% of people are ambidextrous - they have no preference for the use of right or left hand.

knowledgesaurus , alamelu24 Report

mia rose waddington
Community Member
1 month ago

wow

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#13

Rare-Interesting-Body-Facts 1% of people need less sleep than the rest of us. These people have Sleeper Syndrome which allows them to go through a sleep cycle faster than an average person.

knowledgesaurus , Andrea Piacquadio Andrea Piacquadio Report

Yettichild
Community Member
1 month ago

I'm so jealous.

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#14

Rare-Interesting-Body-Facts 35% of people have no wisdom teeth. Wisdom teeth used to serve a purpose but now they no longer do, which is why we take them out so they don't get infected while they're pushing through your gums. If you don't have wisdom teeth, I'm jealous of you.

knowledgesaurus , Anna Shvets Report

Kirsten Kerkhof
Community Member
1 month ago

35%?? Everyone I know has or had wisdom teeth. Does this occur in certain populations?

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#15

Rare-Interesting-Body-Facts 83.7% of people can roll their tongue, but only 14.7% of people can make a clover out of their tongue.

knowledgesaurus , TheEnigmaticHaze Report

lunar eclipse
Community Member
1 month ago

Wat

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#16

Rare-Interesting-Body-Facts 4% of people have Raynaud's syndrome. This is when a part of your body, usually your fingers or toes, starts to turn white when exposed to low temperatures. It's your body's overreaction to cold or distress.

knowledgesaurus Report

Sleazy Weaver
Community Member
1 month ago

I have this! It's incredibly painful & feels like the worst kind of pins & needles imaginable.

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#17

Rare-Interesting-Body-Facts Only 10% of people have Darwin's tubercle - the little bump on the outside of your ear. It's believed that people who have this are better at sensing voice tonality.

knowledgesaurus , Dbenbenn Report

TheLazyPoki
Community Member
1 month ago

I have that :o

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#18

Rare-Interesting-Body-Facts Less than 1% of people in the US have AB-Negative blood. There's also something called Golden blood, which only about 40 people in the world have, and it's completely different than any other blood.

knowledgesaurus , Vegasjon Report

Mer☕️🧭☕️
Community Member
1 month ago

I wanna know more about this "Golden blood" - sounds interesting!

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#19

Rare-Interesting-Body-Facts 16% of people can make a roaring noise in their head using their jaw. They're able to do this because they can control a small muscle in their jaw that deafens chewing, but when it is flexed it makes a roaring noise.

knowledgesaurus , Ono Kosuki Report

Candace Fitzpatrick
Community Member
1 month ago

I can do this too, but I thought this was something everyone experiences

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#20

Rare-Interesting-Body-Facts Less than 1% of people have unbreakable bones. This is caused by a mutation in one of the genes that causes the bones to be up to 8 times denser.

knowledgesaurus , Mikael Häggström Report

James016
Community Member
1 month ago

Mr Glass wants to meet you.

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#21

Rare-Interesting-Body-Facts 35% of people can gleek. Only 1% of people can do it on command. Gleeking is when you're spitting saliva from under your tongue and it squirts out.

knowledgesaurus , g0lb0 Report

Francis
Community Member
1 month ago

me when i'm yawning :D it is so weird xD

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#22

Rare-Interesting-Body-Facts Less than 1% of people are born with a white patch of hair. It is called poliosis, which is caused by the lack of pigment called melanin in the hair follicles.

knowledgesaurus , Klaus D. Peter Report

lunar eclipse
Community Member
1 month ago

Two of my maid’s children have this. Brown and white hair. I love their hair.

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#23

Rare-Interesting-Body-Facts Only 5% of people have arched fingerprints. Most people have looped and whorled fingerprints.

knowledgesaurus , Noonifer Report

René Kok
Community Member
1 month ago

100% of people reading this are looking at their fingers.

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#24

Rare-Interesting-Body-Facts Less than 1% of people have their heart on the right side of their body. Surprisingly, this doesn't normally come with any negative consequences.

knowledgesaurus , millenniumxl-20 Report

ladi da
Community Member
1 month ago

Does anyone else see the screaming face on a cross?

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#25

Rare-Interesting-Body-Facts Only 25% of people have dimples. You can have either two, or just one. Dimples are also hereditary, so if either of your parents has a dimple, it's more likely you'll have one as well.

knowledgesaurus , Jacob Mejicanos Report

Friday
Community Member
1 month ago

I have two dimples and so does my mum. I hated them as a child, but now I think they are cute

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#26

Rare-Interesting-Body-Facts 20% of people have a gap between their two front teeth. What normally causes this is a discrepancy between the jaw size and the teeth. A lot of celebrities have this and don't correct it because they think it makes them unique.

knowledgesaurus , Paulblank Report

Rose the Cook
Community Member
1 month ago

Some people believe this is an indication that you will become rich. I have yet to see anyone who has.

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See Also on Bored Panda
#27

Rare-Interesting-Body-Facts Only 2% of people naturally have blonde hair. If you narrow it down just to white people in the United States, that percentage goes up to 5%.

knowledgesaurus , Chris Blonk Report

Kirsten Kerkhof
Community Member
1 month ago

I think it depends on what you classify as blonde. Is it truly white hair or just lighter (like dark blonde)?

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#28

Rare-Interesting-Body-Facts Only 10% of people have birthmarks. They're usually oval in shape and come in a coffee type color.

knowledgesaurus , Ben Crowe Report

Katie Lutesinger
Community Member
1 month ago

I used to have a big oval birthmark, on my lower back. But it faded as I got older and eventually disappeared altogether.

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#29

Rare-Interesting-Body-Facts 70% of people bend their head to the right when kissing. Your brain is the cause for this. The left side of our face shows more emotion so we want to give our partner the more emotive side and we tilt our head to the right.

knowledgesaurus , henri meilhac Report

Friday
Community Member
1 month ago (edited)

I’ve always gone left! I don’t know why apart from it just feels more comfortable for me

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#30

Rare-Interesting-Body-Facts 1% of people have a double row of eyelashes. While this might look like something a lot of you are jealous of, it actually can cause a lot of problems.

knowledgesaurus , lipstickplant Report

Mer☕️🧭☕️
Community Member
1 month ago

I have a partial second row of top lashes and IT. IS. ANNOYING.

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#31

Rare-Interesting-Body-Facts Less than 1% of people have pointy or elf-like ears. It's an abnormality called Stahl's ear, it's usually corrected early in life.

knowledgesaurus , christinev8 Report

Sleazy Weaver
Community Member
1 month ago

Why does it need correcting? Isn't it just a cosmetic difference? Shouldn't it be up to the child to keep it or change it once they're old enough to make the decision, as long as it isn't impacting their hearing?

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#32

Rare-Interesting-Body-Facts Only 35% of people have 20/20 vision. 2/3 people cannot see perfectly.

knowledgesaurus , Karolina Grabowska Report

Doggo Gal
Community Member
1 month ago

My dad has 20\16. It means what the average person could see at 16 ft, my dad could see the same at 20. My brother has 20\150.

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#33

Rare-Interesting-Body-Facts 25% of people have perfect teeth and never need braces or any orthodontics. 45% of children need braces, but 75% need orthodontic care.

knowledgesaurus Report

Demi Zwaan
Community Member
1 month ago

Need or want? My teeth aren't perfect and if I was an actor or something, I would've 'needed' braces, but health-wise I don't. So do they mean 75% will have health problems if they don't get work done, or just that it looks ugly?

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#34

Rare-Interesting-Body-Facts 14% of people don't have this muscle - Palmaris Longus. This muscle was developed when our ancestors were big tree climbers. If you want to see if you still have it, pull back your palm on a flat surface, touch your pinky and thumb together and slightly lift them and you should see that ligament pop out.

knowledgesaurus , Couch-scratching-cats Report

Friday
Community Member
1 month ago

I have this and maybe the chimp feet too lol 🙃

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#35

Rare-Interesting-Body-Facts 6% of people can vibrate and rapidly shake their eyeballs back and forth.

knowledgesaurus , ROTFLOLEB Report

TheLazyPoki
Community Member
1 month ago

Im able to :))

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#36

Rare-Interesting-Body-Facts 10% of people can touch their nose with their tongues. In medicine, this is called the Gorlin sign.

knowledgesaurus , cheshielynx Report

Potatogamers2
Community Member
1 month ago

Always been able to lol

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#37

Rare-Interesting-Body-Facts 20% of people are double jointed. This is thought to be genetic and due to a variation in collagen in your connective tissues.

knowledgesaurus , Rocky Mountain Goat Report

Lauren W.
Community Member
1 month ago

I wish they'd stop calling it double jointed. There are no double joints. Like it says, it's just a variation in connective tissue and joint flexibility.

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#38

Rare-Interesting-Body-Facts 4% of people are colorblind. Color blindness occurs in 8% of men and 0.5% of women.

knowledgesaurus , Simon Strandgaard Report

Bardhi's Dad
Community Member
1 month ago

But... what's the diference between those two photos?

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#39

Rare-Interesting-Body-Facts Less than 1% of people can give themselves goosebumps on command. The majority of people get them when they're cold or listening to music, but some can give themselves goosebumps whenever they want to.

knowledgesaurus , Ildar Sagdejev Report

MustardLemon
Community Member
1 month ago

yup i just have to imgine biting into a popsicle. lol i liteally got goosebumps writing this.

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#40

Rare-Interesting-Body-Facts 5% of people have a double hair whorl.

knowledgesaurus , HorsePunchKid Report

Sleazy Weaver
Community Member
1 month ago

Add googly eyes!

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#41

Rare-Interesting-Body-Facts Only 12% of people dream in black and white.

knowledgesaurus , Andrea Piacquadio Report

ADHORTATOR
Community Member
1 month ago

That's me!

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#42

Rare-Interesting-Body-Facts Only 1% of the population can lick their elbow. The people that can do this usually have either a long tongue or a short forearm, or both.

knowledgesaurus , meikomac Report

Chucky Cheezburger
Community Member
1 month ago

Hmmmm...I wonder...:: unsuccessfully trying to lick my elbow...Wife walks in and witnesses me trying::: Wife- What the ever lovin h3ll are you doing? Me as embarrassment and awkwardness set in:: Ummm... nothing hon...nothin at all...

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#43

Rare-Interesting-Body-Facts 10% of people are left handed. Left handed people tend to live shorter lives.

knowledgesaurus , ThisIsEngineering Report

Nicky
Community Member
1 month ago

I just googled this and snopes declared this was false. Yeah!!!

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#44

Rare-Interesting-Body-Facts 25% of the population snores regularly.

knowledgesaurus , Kampus Production Report

Giulia
Community Member
1 month ago

i can sleep if outside there are loud construction sounds but god forbid i hear even the smallest snore ever: i can't sleep and i become instantly annoyed ;_;

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#45

Rare-Interesting-Body-Facts 8.4% of people have a counterclockwise hair whorl on their head, while the majority has a clockwise one.

knowledgesaurus , Noj Han Report

lunar eclipse
Community Member
1 month ago

Do they have time reversal powers?

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#46

Rare-Interesting-Body-Facts 8% of people still have chimp-like feet, that are specifically adapted to climbing trees. This is characterized by a mid-foot arch. If you want to check if you have this, see if you can bend the ball of your foot as well as the region half-way between your heel and the ball of your foot.

knowledgesaurus , Anna Shvets Report

Demi Zwaan
Community Member
1 month ago

I had a hard time understanding this, because that picture is not showing the mentioned bend at all. This is what it looks like: https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRv7izzuQZ8x4BdXJ5PzLGWd-Ogt4KLZ4xgMQ&usqp=CAU

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#47

Rare-Interesting-Body-Facts Only 4% of people have an outie belly button. Believe it or not, doctors can't choose if you'll have an innie or an outie belly button, things like the belly button itself and the fat beneath it determine what it will look like.

knowledgesaurus , Kytrez Report

mcborge1
Community Member
1 month ago

Mine used to be an outie, lol.

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#48

Rare-Interesting-Body-Facts Less than 1% of people have an extra rib. Most people are born with 24, but some have 25 ribs. The 25th is called a cervical rib.

knowledgesaurus , pxhere Report

Nicky
Community Member
1 month ago

When I fell skating, an x-ray revealed that I had an extra bone in my forearm. The doctor took med students to see me and my unexpected x-ray!

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#49

Rare-Interesting-Body-Facts 25% of people have a Hitchhiker's thumb - when the upper part of the thumb can bend 90 degrees backwards. It's caused by a certain gene.

knowledgesaurus , Sudo_Nymn Report

lunar eclipse
Community Member
1 month ago

Heh. Mine almost does

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#50

Rare-Interesting-Body-Facts About 20% of people have a pupil that is bigger than the other. This is called anisocoria, it can be a very small, or a very big difference.

knowledgesaurus , Tair1978 Report

Sasy
Community Member
1 month ago

Bowie

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Note: this post originally had 60 images. It’s been shortened to the top 50 images based on user votes.