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9 of the Weirdest Sperm Adaptations

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You probably have a vague idea of what sperm does, but not all sperm are created equal, and some have even developed unique adaptations to get where they're going.
Hosted by: Stefan Chin
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Sources:
http:science.sciencemag.orgcontent29855961230.full
http:rspb.royalsocietypublishing.orgcontent282181920152122
https:onlinelibrary.wiley.comdoiepdf10.1111j.1558-5646.1999.tb04564.x
http:www.pnas.orgcontent109124341.full
https:www.vox.comscience-and-health201511209768864largest-animals-have-the-tiniest-sperm
https:www.nature.comarticlesnature18005

https:www.ncbi.nlm.nih.govbooksNBK26914
https:www.sciencedirect.comsciencearticlepiiB9780123725684000033
https:avianres.biomedcentral.comarticles10.1186s40657-015-0032-z
Dr. Scott Pitnick, personal communication
http:jcs.biologists.orgcontent1152367.long
https:www.sciencedirect.comsciencearticlepiiS0962892497011136
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http:www.pnas.orgcontent10841490
http:phenomena.nationalgeographic.com20140723these-mice-excel-at-assembling-the-ideal-sperm-swim-teams
http:dx.doi.org10.1101006890
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http:science.sciencemag.orgcontent32759721506.full
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https:www.ncbi.nlm.nih.govpmcarticlesPMC2759003
https:www.sciencedaily.comreleases200902090224133328.htm

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27 พ.ค. 2018

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ความคิดเห็น 830
Katie Kat
Katie Kat 2 วันที่ผ่านมา
He calls the Naked Mole Rat’s sperm wonky...lol
Jestekin E
Jestekin E 26 วันที่ผ่านมา
S
Anna G
Anna G หลายเดือนก่อน
Wouldnt it be more efficient to produce less sperm that's better quality?
astara94
astara94 หลายเดือนก่อน
'Mammalian swimmers' what a term, clear but polite 😊
UltimoFox700
UltimoFox700 หลายเดือนก่อน
This video has so many weird quotes/clips, and I must ask that Stephan (and anybody else on this show) never say “Sperm Trains” again…interesting upload as usual guys, keep it up(?)
Tom Critter
Tom Critter 2 หลายเดือนก่อน
Take a shot every time he says sperm.
Ashmeed Mohammed
Ashmeed Mohammed 2 หลายเดือนก่อน
sperm train.
Kang Xun Phan
Kang Xun Phan 3 หลายเดือนก่อน
One question: how do frog sperm look like
Lady Silverwynde
Lady Silverwynde 3 หลายเดือนก่อน
I came for the science.
Bobby Bates
Bobby Bates 4 หลายเดือนก่อน
"lost in a sea of sperm" i died.
bauerpower13
bauerpower13 4 หลายเดือนก่อน
I just realized he is wearing a white shirt 😞
FerretSnot
FerretSnot 4 หลายเดือนก่อน
Anyone else craving a milkshake?
Edwin Lin
Edwin Lin 5 หลายเดือนก่อน
I think bigger animals produce smaller sperms and smaller animals produce bigger sperms because you did say sperm takes a lot of energy to produce, and it's going to lower survival chances by a lot to make big sperms if your big because you need a lot of food if you're big. For smaller animals, bigger sperms might crowd the reproductive tract, and it won't lower your survival chance because smaller animals need less food to live.
Anonymous Andy
Anonymous Andy 6 หลายเดือนก่อน
9:50 sperm in a crash helmet 😂😂😂
Dont use your real name On the internet
Dont use your real name On the internet 6 หลายเดือนก่อน
Take one shot of beer every time he says sperm
Andy Owen
Andy Owen 6 หลายเดือนก่อน
I love SciShow and this video was good but it would have been cool to see some pictures of these 5-cm-long or "killer" sperm from a microscope. Is that too edgy for THvid? (actually, "edge" is a bad term to use in this context...)
Timothy Greer
Timothy Greer 6 หลายเดือนก่อน
89. That's the number of times Stefan said "sperm". He also said a word with sperm in it (um eww) 5 times. Not once did he smirk or giggle. I wonder how many takes they had to do?
Dautto Crecet damnedPurifier
Dautto Crecet damnedPurifier 8 หลายเดือนก่อน
A different one of anyone's father's sperm might've fertilized an egg as opposed to the actual sperm, leading to a different individual. In an alternate universe.. Maybe
Zyclone
Zyclone 8 หลายเดือนก่อน
uncomfortable
Don't, Jimm
Don't, Jimm 8 หลายเดือนก่อน
Sperm without tails that crawl?!?! Holy heck!
Ian
Ian 8 หลายเดือนก่อน
The word 'sperm' as lost all meaning to me. Sperm, sperm, sperm.
Haiku Metzger
Haiku Metzger 8 หลายเดือนก่อน
Deer Mouse Sperm Train is my favorite anime.
puttputt524
puttputt524 8 หลายเดือนก่อน
What if the sperm researcher accidentally spilled the samples and mixed up the mouse and whale sperm??
Stephen Carr
Stephen Carr 8 หลายเดือนก่อน
You had me at wierdest sperm
Ginny Jolly
Ginny Jolly 8 หลายเดือนก่อน
I'm soooo glad I'm human.
Data Banks
Data Banks 9 หลายเดือนก่อน
When your sperm start looking like frogs... you've got problems
Biraj shrestha
Biraj shrestha 9 หลายเดือนก่อน
Where the Sperm Pictures at??
PARADOX
PARADOX 9 หลายเดือนก่อน
Sperms wrecking havoc? I wish mine had guns
wah wah
wah wah 9 หลายเดือนก่อน
Wtf...???? Why am I here?????????? I'm a girl I don't need to know this at all
Joshua
Joshua 9 หลายเดือนก่อน
But we've only been monogamous for relatively a minuscule portion of our hominid existence. Thus this reason for the negative adaptation doesn't seem viable?
Korrie Rose
Korrie Rose 10 หลายเดือนก่อน
This is literally the most times i've heard the word "sperm" in my entire life.
dan connor
dan connor 10 หลายเดือนก่อน
"Every sperm is waaaanted every sperm is goood, every sperm is needed, in your neighbourhood" MPMOL
The Tribe
The Tribe 10 หลายเดือนก่อน
Life comes from Males, not Females. Females just offer a place for that life to grow, which is amazing too, don't get me wrong, But it shows and kinda proves and defines the gender roles, Men give life, and Women nurture and take care of it.
Mudder Fukker
Mudder Fukker 10 หลายเดือนก่อน
OK, that's enough Internet for today....
Kj16V
Kj16V ปีที่แล้ว
Today's video was sponsored by Wormhub.com
MrAngenos
MrAngenos ปีที่แล้ว
Веат оут тне сомретитион....реаллу?
zekrom jr
zekrom jr ปีที่แล้ว
No homunculous?
CANDI K
CANDI K ปีที่แล้ว
Panda shaped booger on your forehead?
Only slightly insane
Only slightly insane ปีที่แล้ว
Oh my god his hair
ResidentEvil302cuba rican215
ResidentEvil302cuba rican215 ปีที่แล้ว
It's crazy 2 think how much sperm I killed lol
Snakeyes244
Snakeyes244 ปีที่แล้ว
But why produce sperm at all if they dont swim? Thats also a waste of energy
Floofer Dooper
Floofer Dooper ปีที่แล้ว
Dang nematodes
What-A-Melon-Studios
What-A-Melon-Studios ปีที่แล้ว
Earbuds
Allegra Wolff
Allegra Wolff ปีที่แล้ว
Information addition: The endophallus of a male honey bee doesn't just get ripped off, it turns inside out with ejaculation... along with major organ tubes. They do not always rip off, though some males might try that tactic with queens to prevent another male from entering her. Usually the queens remove the disposed-of endophallus out of themselves then continue to mate.
hi i
hi i ปีที่แล้ว
Why did this show up in my recommended
Jason Kolmes
Jason Kolmes ปีที่แล้ว
All lies without electron microscope pics.
President of the Secrete Sankcake Server
President of the Secrete Sankcake Server ปีที่แล้ว
Sperm = parasites
House Phone
House Phone ปีที่แล้ว
Honeybees nut so hard they die
James Stec
James Stec ปีที่แล้ว
Where to buy couch in stock photo in #9?
Donald Trump
Donald Trump ปีที่แล้ว
my sperm are great, very strong
June H
June H ปีที่แล้ว
really don't want to hear about sperm from this guy
Alex Klatt
Alex Klatt ปีที่แล้ว
If watching this doesn't show 'intelligent design', denoting a 'Grand Designer'then there is no hope. Evolution is & always has been, only a "theory" folks.
jake chef
jake chef ปีที่แล้ว
It’s two AM and I’m watching a video about nut
ples help
ples help ปีที่แล้ว
What did I do to have this in my recommended list
Gorehoundula
Gorehoundula ปีที่แล้ว
"Get lost in a sea of sperm." My life is complete.
Random Derpy Family
Random Derpy Family ปีที่แล้ว
Swiners like fish?🐟🐠🐡🐋🐬
Jj Fatts
Jj Fatts ปีที่แล้ว
Hey, guys. These videos are incredible. I LOVE that you list your citations. Who does the research for these?
Katie Kane
Katie Kane ปีที่แล้ว
Beavis & Butthead would have had a blast with this!
Zaluconde
Zaluconde ปีที่แล้ว
I think the weirdest adaptation of sperm was when they combined Hank and Michael's sperm to clone this guy
Federico Jimbo Smithson
Federico Jimbo Smithson ปีที่แล้ว
my sperm contains the DNA of a King
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