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How Can You Instantly Guess Someone's Age? -
Published: 2 years ago By: Science Channel

By: Science ChannelPublished: 2 years ago

152, 857 views

1, 344 Likes   191 Dislikes

Is there a way to tell how old someone is without asking? One key indicator is a person's hearing abilities.

UPDATE: The mosquito tone in this video was lost during processing after upload. To check out your ability to hear high frequency "mosquito tones" check out these sites:

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Kei Kikui
'Kei Kikui' 2 months ago
I didnt hear that but I'm 13
'Kutlaca' 2 months ago
So now i can go out and know everyones age thanks i guees
Meme Teme
'Meme Teme' 4 months ago
Umm I’m 11 and I can’t hear it...
Bruce Brewer
'Bruce Brewer' 4 months ago
Could this be used in bars and stuff where young people shouldn't be?
'SSJ ROCKIN' 4 months ago
I am hardly 15 and I cant hear it
Milagros Tamara
'Milagros Tamara' 6 months ago
I don't lisen they sound and i am leas then 25
'GeKin' 11 months ago
im 13 and cant hear it...
'PatrolPigeon' 11 months ago
Im 13 and could hear that mosquito thingy XD uhh fck
Michael Waltham
'Michael Waltham' 12 months ago
Im 11 and couldn't here it
Maggie Kerr
'Maggie Kerr' 1 year ago
instant. but first perform this test for me and let me watch you. not very instant
'Spectrum' 1 year ago
26 here, can still hear it. I am using earphones though, I'll try without earphones later, too late now to use speakers lol
Mad Kebabs
'Mad Kebabs' 1 year ago
I don't know if this is 100% true but i'm pretty suyre most people cannot hear it as youtube does not allow really high pitch sounds (not sure the exact number.)
Drei Sander
'Drei Sander' 1 year ago
i heard background tone. thanks!
JASS is me
'JASS is me' 1 year ago
I heard it really well.
wikum •_•
'wikum •_•' 2 years ago
Im 13 And i didnt hear shit
'arckmarou' 2 years ago
Im not over 25 and I cant hear it
Steven Truong
'Steven Truong' 2 years ago
'Konic' 2 years ago
I'm 16 and I can't hear it .... so can't always work ... or I might be slightly deaf..
jojo n n n n n n n n n n n
i can't her it lol
Genevieve Dunn
'Genevieve Dunn' 2 years ago
I'm 13 and I could not hear a thing.
Andreanna Sander
'Andreanna Sander' 2 years ago
i didn't hear it and I'm 13.
'Airwipe' 2 years ago
I'm 12 and I couldn't hear it. Lmao
Elliotte Rodriguez
'Elliotte Rodriguez' 2 years ago
'Emma' 2 years ago
'Dogdigmine' 2 years ago
Im only 13 and i did not hear it.
Omar Huerta
'Omar Huerta' 2 years ago
every one but black because black dont crack
isaiah gutierrez
'isaiah gutierrez' 2 years ago
im half death so i cant here it but im 15
'zingadooda' 2 years ago
All of you saying this tone was lost but it is there and it's loud as fuck idc what anyone else is saying, it was playing at random times too even when not testing it on people.
'KFC KLAN' 2 years ago
I'm 12 and I can't hear it
'TheToxicGamer' 2 years ago
16 and didn't hear it
Ross Bovenzi
'Ross Bovenzi' 2 years ago
I'm 13 and didn't hear it?
Turtle Neck
'Turtle Neck' 2 years ago
I'm under 18 and I didn't hear shit
'Create' 2 years ago
hell yeah, Mark Rober is awesome
'Lauritz' 2 years ago
I couldent here on it and im 11
Eggz Head
'Eggz Head' 2 years ago
I'm 9 and can't hear it
Caolan Mcclean
'Caolan Mcclean' 2 years ago
I'm ten and I couldn't hear it
'MrBaran150' 2 years ago
I am 15 didnt hear it
'JoeGamingHD' 2 years ago
I couldn't here it and I'm 14
SaNe Crimes
'SaNe Crimes' 2 years ago
I'm 15 should I hear it
Kristen Carolan
'Kristen Carolan' 2 years ago
I'm 9 and I can't hear it
merp merpins
'merp merpins' 2 years ago
New macbook pro, I'm 21, and I could not hear said tone and could hear it a year ago.
'GoldenKingChaos_YT' 2 years ago
I can't here it and I'm younger than 25
Donnie Brasco
'Donnie Brasco' 2 years ago
loooove old people smell
Angry God
'Angry God' 2 years ago
It's kind of hard to ear the tone when you're playing loud ass music as well you fucker.
Abby Woods
'Abby Woods' 2 years ago
I'm 14 where that sound?
Cam Cxx
'Cam Cxx' 2 years ago
11 I couldn't hear it
Sebastian Mendoza
'Sebastian Mendoza' 2 years ago
I'm 15 and I couldn't hear it
'BlakeMSP' 2 years ago
I didn't hear it and I'm 12. Bad hearing?
DankDori Tos
'DankDori Tos' 2 years ago
what's the ringtone app?
De Lux
'De Lux' 2 years ago
I'm worried I'm 13 and I didn't hear it.
'GearGrindzGaming' 2 years ago
im 12 and cant hear the mosquito tone and i have good ears
'PorkieTV' 2 years ago
I'm 14 and can't hear it
'Ne0LiT' 2 years ago
can hear the sound pretty clearly ... must be my headphones!
'Neighbor' 2 years ago
Everyone under age of 25! If you don't hear the sound it maybe because of the device you are currently using to listen the sound can't produce such sounds Or ur just deaf, ayy lmao g3t r3kt m8
Artist Fox
'Artist Fox' 2 years ago
I'm 7 and I can't hear😕
Andrew Demarest
'Andrew Demarest' 2 years ago
I think I can hear it, but it could just be one of those things where you know the sound from first hand experience and expecting to hear something, you do.
'Jonahthebeast' 2 years ago
I heard nothing and I'm 9
Charlie D
'Charlie D' 2 years ago
Wow, who knew that the definition on instant was to go up to people get them to put headphones on, listen to a noise and see if they can hear it, that can definitely be done in one second...well done...
giuseppe valencia
'giuseppe valencia' 2 years ago
Yeah...NASA scientists
'RED KING' 2 years ago
I'm 13 and I can't hear it
'ydn' 2 years ago
ok at first after watching this video, i was pretty sad that I cant hear it even though im less than 25 years old. 😅but then, I read the comment and the caption. i was relieve.. read the caption and dont worry everyone. 😁
Carl_ 101705
'Carl_ 101705' 2 years ago
That's Mark Rober
Commander Toucan
'Commander Toucan' 2 years ago
I. 13 yes old and I did NOT hear it.....why?
'ARDEACT' 2 years ago
YouTube can't render or encode that kind of frequency level. So you're false
Our Life
'Our Life' 2 years ago
I'm 11 and I can't hear it
'Toma' 2 years ago
I can't hear this and I'm 10... I also looked on the official page
'CerealKiller' 2 years ago
Is the person in the first mark rober?
rhye gian Ariola
'rhye gian Ariola' 2 years ago
I can't hear it but my age is 10
Ryan C
'Ryan C' 2 years ago
I can hear it as long as I blast the sound.
MA Gamings
'MA Gamings' 2 years ago
I couldn't hear it and I'm 15...
StopMotion Productions
Umm I'm less then 25 I didn't hear it
Ryan Taegan
'Ryan Taegan' 2 years ago
I'm 15 but I can hear 24kHz. That's not human at all. I tested it on myself and I could hear a faint high-pitched sound even at 20kHz.
Dayton Jensen
'Dayton Jensen' 2 years ago
I'm 15 and I can't hear it...
Der Wurst
'Der Wurst' 2 years ago
I'm 14 and I can hear it, it's like a dog whistle, fuck that.
'Foxyboy' 2 years ago
Is that blackpool
Millennial Jamaa
'Millennial Jamaa' 2 years ago
I couldn't hear it and I am a kid....
micheal bridge
'micheal bridge' 2 years ago
name isnt accurate just looking at someone is a easier quicker way than this.. they have wrinkles they are old they are short small and well a kid or a teen
'jaxman136' 2 years ago
Youtube cuts off pitches before this mosquito tone, so nobody can hear it
Dolphin dude99
'Dolphin dude99' 2 years ago
I can't hear it and I'm only 12
Amerikan Gamer
'Amerikan Gamer' 2 years ago
I'm 12 and didn't hear it
Jeffrey Lin
'Jeffrey Lin' 2 years ago
Umm I'm 11 I can't hear it
Coffee JT
'Coffee JT' 2 years ago
Good thing people didn't say "about twelve" or else I'll punch them about... twelve times?
Lol Lol
'Lol Lol' 2 years ago
I just heard the mosquito tone on another website and now my ears won't stop ringing
Harper Kelly
'Harper Kelly' 2 years ago
What's up with his pupils thirst all black
Cupcakemuffin X
'Cupcakemuffin X' 2 years ago
The hairs in your ear can loose sound over a long periodaudicaly time.
'Fritz' 2 years ago
omg, if i want to find out their age in less than a second, i ask them to put on headphones, play the annoying-as-hell sound, and ask them if they could hear it!!
'InstantGaming1' 2 years ago
Fucker on 2:20 already has a watch worth more than any car I'll ever have...
Max Barrass
'Max Barrass' 2 years ago
So you can't guess their age... Lame
Awesome gaming
'Awesome gaming' 2 years ago
'Ariss' 2 years ago
or... you could just ask the person how old they are... but thats to easy
Lyova Oblivin
'Lyova Oblivin' 2 years ago
was born in 2002 apperantly over 25, logic:l
Speedy 9771
'Speedy 9771' 2 years ago
MARK ROBER omg you're amazing!
Nga Le
'Nga Le' 2 years ago
Wait why couldn't i here in the comments alot of young people can't here it but people 20 or oldet can hear it is it supposed to be oppisite?
Greg Collins
'Greg Collins' 2 years ago
How can you know if someone is young? They suck at English - like they misstate a question such as, how can you tell someone's age instead of "how can you tell if someone is older than 25ish".
Ahmafat Gaming
'Ahmafat Gaming' 2 years ago
I hear a real mosquito before then I run
Voodoo Pitbull
'Voodoo Pitbull' 2 years ago
What the heck I can't hear it and I am 13
'stickyglue123' 2 years ago
if i heard it why did it say this in the description: The mosquito tone in this video was lost during processing after upload.
Fetii27 TTRO
'Fetii27 TTRO' 2 years ago
In seconds huh? Instantly huh?
Little Squishers
'Little Squishers' 2 years ago
Information Goose
'Information Goose' 2 years ago
.....I'm not going to go up to a person ask them to listen to this ''mosquito tone''. The clickbait is real...
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