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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

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 25% of people sneeze when they're exposed to direct sunlight. It's called the photic sneeze reflex.

knowledgesaurus , Mikael Blomkvist Report

#2

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#3

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

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.

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#4

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

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Hayley Rodgers
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

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

Materyst
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Surely not all red heads in ads have naturally red hair

Bella, Your Kitty-Loving Queen
Community Member
3 years ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I have red hair. I also have blue eyes, and red hair and blue eyes is something only 0.2% of people have.

Eleni Aggeliki
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Mum has light brown hair and fair skin. In contrast, dad has olive skin and jet-black hair. I'm a redhead! WTF! Dad grew a mustache after I was born to disperse the indiscreet remarks. It's red! He's beyond funny. Black hair and ginger whiskers. That's my dad.

Kayla J
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I too am a redhead in a dark haired family, though no red whiskers. My poor Mother used to always be stopped by people at the store asking if it was my father who had the red hair when it was his side who had the darkest hair lol

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Ria C.
Community Member
3 years ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

So is my nephew. His eyes were blue when he was born but they changed.

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Amy Cohen
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

My most successful two relationships were with red heads. I love Red heads! The women are gorgeous and the men are handsome.

Asi Bassey
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Still on redheads, they carry a mutated version of the MC1R gene, which in addition to giving their hair its unique colour, also means they process pain differently and require higher doses of inhalational anaesthesia than non-redheads.

Melissa TO
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

True! My husband is redhead/blue eyed. His dentist couldn't get him numb! Luckily, when he had his appendix out his anesthesiologist was also a redhead.

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Violet Smith
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

yes, as adults. A lot of children have blond hair that darkens as they hit puberty.

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Alice Coulter
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I was born a "toe-head" as they used to say, white-blonde hair, just like my parents, brothers, and most of my relatives. As I aged it turned "dirty blonde" then med brown. JUST LIKE almost everyone else in my family on both sides. I had to go through some chemo in my late 30s and I was without a spec of hair on my entire body for 6 months. My hair started growing again and it came back kinky (I had bone straight hair) and FLAME ORANGE! It toned down to a darker red over the course of 2 months then slowly replaced itself with light brown hair again. I asked my Mom if anyone in our family, both sides, ever had naturally red hair. "Just one, your great Grandmother, but we don't have color photos of her of course, but she had bright red hair like that her entire life until it turned white". I kind of miss that color, but not the corkscrew little ringlets that first appeared. Was it the chemicals used in my chemo cocktails or latent genes?

Adinda Jane
Community Member
7 months ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I love your story! Although the chemo-part is sad. Ofcourse. 😔 I hope you're okay! Okay this is a wild guess because I'm not working in genetics. The information for hair colour is on your X chromosome. And by the name of Alice I suppose you're female. So you have two X chromosomes. One from your mother's mother (mother mother mother and sofort) and one from your father's mother. The same applies for cats. Tortoiseshell cats are always females. Some of the spots on their fur one X chromosome is "dominant" and another spot the other. Which implies every cel "determined" which X chromosome it activated. So perhaps something like this was triggered by the chemo?

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Art3mis
Community Member
2 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Weird i have a red-headed friend who's dad has a red beard but her mom's hair is brown

Marnie
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I had red (auburn) hair for one year (10th grade). The next year, it turned back to light brown but with a very noticeable blond streak that people thought I paid for. Before that, at any time, if you looked at individual strands of hair, you would see: red, blond, dark brown, light brown strands. Then after I got the blond streak (which went away), my hair was uniformly light brown. Very weird.

Adinda Jane
Community Member
7 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Same here! 4 colours and unfortunately the brown hair (back of my head and behind my ears) gets replaced by grey 🤔 But because I still have the blond streak I hope it doesn't stand out.

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Carol Emory
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

But then the majority of those redheads run in families. Our family on either side has at least 7 red heads.

IlovemydogShilo
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I have 2 cousins who are natural redheads. Their mother has black hair and their father has sandy brown hair. The red hair comes from my uncle's great aunt. My mother, This aunt's sister said she nearly had a heart attack when she had the first cousin and he came out with a thick mop of red hair. My other red headed cousin has 2 children. Both are redheads.

Adinda Jane
Community Member
7 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Poor aunt's sister 😂 My mother is half Asian: tiny, black hair, olive skin. She gave birth to a huge, faint skin red haired baby: me. People asked her who child she was babysitting. Man.i love genetics!

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Catlady6000
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Before Sarah Ferguson Married Prince Andrew, You almost never saw redheads in ads or entertainment

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Jezergirl
Community Member
2 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

My uncle has it. My dad too. I dreamed to have red hair all my life, but I'm brown.

Faith Nicole
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I've never seen anybody on my dad's side of the family with red hair. My mom's side had quite a few redheads she had red hair when she was younger. I had Ronald Mcdonald red for the first 2yrs of my life then it grew out to be a darker red / auburn & now at 37 I dye my hair to be a brighter shade of red

J
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

My daughter is a redhead, she hates but I wish I had hair as beautiful as hers.

Lynn Morello
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I have two kids with Naturally Red Hair, They Both Hate Red Hair, My MIL at the time stated WE DON'T HAVE RED HAIR IN OUR FAMILY. I replied, 'Now you do.'

Anna Goanna
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Red heads unite! I have auburn hair, and it's more brown than red...though I like to enhance it. My dad had the same color and I love how it has lightened over the years. Instead of going grey, he went from auburn to strawberry blonde to white.

Sue Clasen
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

My husband's family (Galician), jumped one generation, and in the next they appeared in every branch, Him, his brother and several cousins were red hairs, my youngest son was fair as a child, but his hair grew dark, but his beard and arm hair are red, my granddaughter was born a red hair but now at six she is blond. I have red hairs in both branches of the family.

CCTheVampire
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

My mum and her dad had red hair, but for my granddad it turned white when he was 12. For my mum, it turned white right after she graduated college.

Rachel Hamrick
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I have a child with red hair. My father has red hair, and one of his sisters have red hair.

Lotus
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I had naturally red hair but no one in my family that I know has red hair

Louloubelle
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I have identical twins with the most glorious red hair! I have "strawberry blonde" hair. My grandmother had red hair, my husband has red hair, his mother had red hair.

Jods
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

When my sister was pregnant she said she didn’t care what colour hair the baby had as long as it wasn’t ginger.

Cain Hargreaves
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I was born with red hair and it stayed red until I was about 5 or 6, then it went blonde, and now it's drab brown. What a fall from grace :c

A Head
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

My mom is a redhead, the hair on the top of my head is brown (well, now half grey), but my beard is red (well, now half grey).

Marlowe Fitzpatrik
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Funnily enough, in the last... let's say 5-8 years, I've seen an increase in red-headed children where I work. It's a family-park, so I really get to see a lot of children. Interestingly, it's very often a darker, more brownish red, tending towards dark copper. Beautiful color. I've always wanted to have read hair, but it seems I'm just a boring-old blonde. My nephew might be a tad reddish, though - too early to say.

Arctic Fox Lover
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

My mom is a redhead (VERY red, it's lovely hair) and my dad is not, so I am not. Badaboom badabing.

howdylee
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I have redheads on both sides of my family, so does my husband... was hoping for a redheaded child, but all 3 kids are blonde like us. (although we're both green eyed, our twins ended up with blue eyes - go figure!)

AMELIA ADAMS
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

huh. i have red hair but the only other person in my fam who has red hair is ma mom, dad's is black, brothers dark brown.

Auntriarch
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I have a cousin who is strawberry blonde, her mother hated it when she was described as ginger, saying no she's auburn. I got no brownie points at all for offering her an auburn biscuit.

Shary Bobbings
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

That's incorect. All of us have the same genes, what you have to say is that both parents need to possess the variant (allele) for red hair. That could be possible if both parents are red-haired or if they are carriers of the genetic variant but have a different hair color

HooowlAtTheMoon
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I'm a redhead! Everybody tells me how pretty my hair color is all the time (it gets annoying after a bit but you know, compliments, so im not going to complain)

Everything_Fubar
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I'm a reddy, neither of my parents or any of my currently living family members are though, so I guess it came from someone long ago.

Heather Greenwald
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Me and my sister are natural red heads with hazel green eyes. I'm the only one with a red headed child though, it makes her so mad.

Leslie Burleson
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I have friends with a redhead child , and neither of them are . I've got friends who one is a red head , the other isn't and they have three red headed girls .

Aunt Messy
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

There are exactly zero redheads in my family from the four generations previous to me. I have red streaks in my dark blond hair.

Caroline
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

My sister, cousin and nephew (brother's son) are the only redheads in my family. My niece is the only blonde (all her dad's other kids are blonde as well)

Anon Anon
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I'm brunette, but my hair can turn red if I'm out in the sun a lot.

PansexualPancake
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Im a redhead both my grandmas are and 2 of my aunts and my dad and my cohsin has a red beard and my grandpa has a few red hairs

jimmy pop
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I guess the majority of red-haired people are caucasian, esp. north-western European. Since the western world is big on capitalism, "thanks" to the US, and thus on advertising and has a higher percentage of red-haired, I'm not surprised the number of red-haired ad actors is much higher compared to the global population. Though 30% is still surprisingly high.

Leigh Boatright
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I was born blonde. Blondes redheads brunettes are hair ttpes not colors with different numbers. The past 5 years my hair has been turning aburn. Lots of redheads in the family. My mom thought I dyed my hair!

Suzanne Haigh
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

My mother, sister and brother are all redheads, I have dark brown hair but when I wanted some bit lightened they had to bleach it so much to get the red out it broke up. My only child has red/brown hair also.

Calypso poet
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

She's gorgeous. My hair was close to that color when I was 2. My paternal grandmother had natural auburn, beautiful hair. My dad a strawberry blonde who bets sunburn if he looks outside!.My maternal Slovak side turned my hair dark brown. So I can pull off a good red hair dye job and tan! Lol

Phica Afton
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Some people say gingers are monsters, and it angers me when they do.

Something
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Ads disproportionately represent rarer traits, and they should. Each individual should be represented equally in ads.

Donkey boi
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

In my family they believe that there is a red hair curse. The first born child of anyone in my family is always a redhead (this has always been the case and records support it). If you have a second child that is also a redhead, your first born will die before reaching adulthood. My big brother was a redhead and he was follow by my sister, another redhead. 18 months after she was born my brother fell ill and was diagnosed with a tumour on the brain he died at 5 years old. This has also happened to 2 aunties and several cousins. The family are hoping my other sister may have broken the curse because she's just had her second child, both are mixed race so neither have red hair.

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#5

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series Less than 1% of people can hear colors or see sounds (synesthesia).

knowledgesaurus , TEDxPeachtree Team Report

#6

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

“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!”

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#7

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#8

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

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#9

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 24% of people can raise one eyebrow, however you can learn to do this as well.

knowledgesaurus , Lee Haywood Report

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.”

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“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

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#11

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series Only 33% of people can whistle. Almost everyone has the ability to whistle, it just takes the right techniques.

knowledgesaurus , Sora Shimazaki Report

#12

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series Only 1% of people are ambidextrous - they have no preference for the use of right or left hand.

knowledgesaurus , alamelu24 Report

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#13

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#14

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#15

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#16

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

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#17

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#18

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#19

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#20

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

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#21

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#22

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#23

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series Only 5% of people have arched fingerprints. Most people have looped and whorled fingerprints.

knowledgesaurus , Noonifer Report

#24

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#25

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

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#26

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#27

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#28

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series Only 10% of people have birthmarks. They're usually oval in shape and come in a coffee type color.

knowledgesaurus , Ben Crowe Report

#29

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

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#30

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#31

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#32

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series Only 35% of people have 20/20 vision. 2/3 people cannot see perfectly.

knowledgesaurus , Karolina Grabowska Report

#33

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#34

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

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#35

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 6% of people can vibrate and rapidly shake their eyeballs back and forth.

knowledgesaurus , ROTFLOLEB Report

#36

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 10% of people can touch their nose with their tongues. In medicine, this is called the Gorlin sign.

knowledgesaurus , cheshielynx Report

#37

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#38

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 4% of people are colorblind. Color blindness occurs in 8% of men and 0.5% of women.

knowledgesaurus , Simon Strandgaard Report

#39

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

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#40

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 5% of people have a double hair whorl.

knowledgesaurus , HorsePunchKid Report

#41

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series Only 12% of people dream in black and white.

knowledgesaurus , Andrea Piacquadio Report

#42

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#43

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 10% of people are left handed. Left handed people tend to live shorter lives.

knowledgesaurus , ThisIsEngineering Report

#44

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 25% of the population snores regularly.

knowledgesaurus , Kampus Production Report

#45

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 8.4% of people have a counterclockwise hair whorl on their head, while the majority has a clockwise one.

knowledgesaurus , Noj Han Report

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#46

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#47

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#48

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

#49

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

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#50

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 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

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#51

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 22% of people can wiggle one ear, and only 18% can wiggle both. The ability to do so may be inherited, however, it can also be learned with practice.

knowledgesaurus , Karolina Grabowska Report

#52

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series Less than 1% of people have perfect pitch - the ability to identify the exact note when you hear it. A lot of people believe you're born like this however some researchers have hypothesized that you can learn this later in life as well.

knowledgesaurus , Charles Parker Report

#53

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series Less than 1% of people have an uncombable hair syndrome. It's characterized by frizzy hair that can't be combed down. It's normally seen in people that are younger and usually have blonde hair.

knowledgesaurus , buldog4354 Report

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#54

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 10% of adults in the US have never had a cavity in their life, however it's estimated that 1 in 4 adults have cavities that are untreated.

knowledgesaurus , Andrea Piacquadio Report

#55

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 7% of people can tickle themselves. Usually your brain does not let you tickle yourself, but some experts believe that if you push your tongue up against the roof of your mouth you can actually tickle yourself, because you're not used to that sensation.

knowledgesaurus , cottonbro Report

#56

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series Only 6% of people have a cleft chin - a dimple in the middle of your chin. It is usually genetic, you can actually add or remove one with surgery.

knowledgesaurus , paul stumpr Report

#57

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series Only 1.5% of people have a single palm crease. This is often found in males and is a hereditary trait.

knowledgesaurus , chrishill95 Report

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#58

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series Only 1% of people clasp their hands this way.

knowledgesaurus Report

#59

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series 5% of people have a cracked tongue. It develops in birth or childhood, and is associated with Down syndrome and malnutrition.

knowledgesaurus , Scotty_1 Report

#60

Person Invites You To Learn 'How Rare Is Your Body?' In His Viral Series About half of the population can wiggle their toes individually. The big toe and little toe have individual muscles so it's easier to move them, but the middle toes are all controlled by one set of muscles so those are a lot more difficult to move.

knowledgesaurus , Frank Vessia Report