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(MSNBC)   The earliest known ancestor to humanity looked like a squirrel, which finally gives us an explanation for our large, dangly testicles   (msnbc.msn.com) divider line 26
    More: Interesting, squirrels, human ancestor, Discovery News, Museum of Natural History, first human, flowering plants, ancestors, Stony Brook University  
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3051 clicks; posted to Geek » on 20 Oct 2012 at 8:45 AM (2 years ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



26 Comments   (+0 »)
   
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2012-10-20 08:52:01 AM  
"Earliest ancestor to humanity" could mean a number of things.

Earliest hominid? Earliest ape? Earliest primate? Earliest placental mammal? Earliest mammal? Earliest tetrapod? Earliest vertebrate? Earliest animal? Earliest eukaryote?

All are ancestors of humanity. Had to click the article to see the were referring to the earliest primate.
 
2012-10-20 09:03:12 AM  
Well we are a part of the same Superorder.
 
2012-10-20 09:03:45 AM  

Doc Daneeka: "Earliest ancestor to humanity" could mean a number of things.

Earliest hominid? Earliest ape? Earliest primate? Earliest placental mammal? Earliest mammal? Earliest tetrapod? Earliest vertebrate? Earliest animal? Earliest eukaryote?

All are ancestors of humanity. Had to click the article to see the were referring to the earliest primate.


Earliest hydrogen atom.
 
2012-10-20 09:04:51 AM  
But...but...Adam...and Eve...

Stop spreading your lies, Subby
 
2012-10-20 09:16:27 AM  

Creoena: But...but...Adam...and Eve...

Stop spreading your lies, Subby


Who werent nearly as fabulous as Adam and Steve.
 
2012-10-20 09:54:07 AM  
No Bevets yet? Isn't he ususally the first to reply in a thread like this? As if he's just waiting around all day to post his inane ramblings, or worse, he's the actual submitter.
 
2012-10-20 10:04:20 AM  
Squirrelgirl.jpg

Damn phone. Will post pic later


Thanos et al not amused, but getting a kick (in the ass) from this thread
 
2012-10-20 10:05:56 AM  
 
2012-10-20 10:14:10 AM  
a0.twimg.com

/obscure?
 
2012-10-20 10:19:56 AM  
Link is utterly useless without pics... SHOW us this link we have, dont just tell us about it
 
2012-10-20 10:27:05 AM  
There is a pic in the article.


Why they decided to say it looks like a squirrel is beyond me.
 
2012-10-20 10:48:06 AM  
Looks more like a possum to me but, hey, I'm no scientist.
 
2012-10-20 11:02:40 AM  
In before Ms. Garrison "...then the fish-frog had butt-sex with a squirrel or something...".
 
2012-10-20 11:04:39 AM  
SnoMan

Why they decided to say it looks like a squirrel is beyond me.

[scrat.jpg]

Dangly nutsacks are a thermoregulatory feature of most mammals. Could someone please explain why testicles need to be kept below average core temperature for proper function. It's certainly not an intelligent design.

// Birds (with the possible exception of the OOH-OOH) seem to manage fine.
 
2012-10-20 11:18:13 AM  
So, Purgatorius is the currently earliest known primate.

This in no way means that humans evolved from Purgatorius - they may have evolved from some species related to it that looked and/or behaved quite differently.

This is like erroneously saying that humans evolved from chimpanzees when in actually humans and chimpanzees had a common ancestor which was probably hairy and from a human perspective looked like a chimp though a modern chimp would probably disagree.
 
2012-10-20 11:36:12 AM  
Many were increasingly of the opinion that they'd all made a big mistake in coming down from the trees in the first place...
 
2012-10-20 11:37:36 AM  
Squirrels are messengers from God.
 
2012-10-20 01:18:37 PM  

djZorbof: Well we are a part of the same Superorder.


Oddly enough Tree Shrews are one of the best animal models for doing work on the eye. Most rodents have really shiatty vision so making ocular disorder models in mice sucks, they aren't nearly as hampered by blindness or poor vision so you don't get the same behavioural cues. And of course tree shrews aren't really shrews, but are closely related to primates.

HairBolus: This in no way means that humans evolved from Purgatorius - they may have evolved from some species related to it that looked and/or behaved quite differently.

This is like erroneously saying that humans evolved from chimpanzees when in actually humans and chimpanzees had a common ancestor which was probably hairy and from a human perspective looked like a chimp though a modern chimp would probably disagree.


True in the second case, although with regards to Purgatorius it is possible it is a direct ancestral species. But we just never really try and think that way because of how we model evolution. It's almost impossible to differentiate what amounts to the equivalent of a "Great-great-great-aunt/uncle" species from your great-great-great-grandparents.
 
2012-10-20 01:32:18 PM  

Shadow Blasko: Squirrelgirl.jpg

Damn phone. Will post pic later


images2.wikia.nocookie.net 

This one?
 
2012-10-20 02:24:23 PM  

Diagonal: Shadow Blasko: Squirrelgirl.jpg

Damn phone. Will post pic later

[images2.wikia.nocookie.net image 227x480] 

This one?


Oh, dear god, that looks like a shiatty emo Squirrel Girl that Marvel has depowered and sucked all the fun out of... one that would prefer Penance over Speedball.

No, this one

mimg.ugo.com
 
2012-10-20 02:30:45 PM  

FirstNationalBastard: Diagonal: Shadow Blasko: Squirrelgirl.jpg

Damn phone. Will post pic later

[images2.wikia.nocookie.net image 227x480] 

This one?

Oh, dear god, that looks like a shiatty emo Squirrel Girl that Marvel has depowered and sucked all the fun out of... one that would prefer Penance over Speedball.

No, this one


yeah... I think I like classic sg better... but that is a nice pic
 
2012-10-20 04:50:47 PM  

Sick and Tired of Being Sick and Tired: No Bevets yet? Isn't he ususally the first to reply in a thread like this? As if he's just waiting around all day to post his inane ramblings, or worse, he's the actual submitter.


It seems he's quit, or on hiatus. Can't really blame him. Not that there was likely any other outcome.
 
2012-10-20 05:52:01 PM  

FirstNationalBastard: Diagonal: Shadow Blasko: Squirrelgirl.jpg

Damn phone. Will post pic later

[images2.wikia.nocookie.net image 227x480] 

This one?

Oh, dear god, that looks like a shiatty emo Squirrel Girl that Marvel has depowered and sucked all the fun out of... one that would prefer Penance over Speedball.

No, this one

[mimg.ugo.com image 480x480]


I'd like to see her make a cameo appearance in The Avengers 2, and then be one who defeats Thanos

You know that's totally something Joss Whedon would do.
 
2012-10-20 06:46:31 PM  

Larva Lump: SnoMan

Why they decided to say it looks like a squirrel is beyond me.

[scrat.jpg]

Dangly nutsacks are a thermoregulatory feature of most mammals. Could someone please explain why testicles need to be kept below average core temperature for proper function. It's certainly not an intelligent design.

// Birds (with the possible exception of the OOH-OOH) seem to manage fine.


Birds also have an entirely different system for reproduction. (Females are a pairing of ZW chromosomes, and males are ZZ. They lay eggs... and so on...) But even in avians and reptiles, sperm is still temperature sensitive.

From Link

As in mammals, sperm formation is temperature sensitive, and maturation is assisted by nocturnal drops in temperature, or by the development of scrotal-like external thermoregulatory swellings holding the seminal glomera.

In addition, male birds tend to have relatively low extragonadal sperm reserves and sperm are ejaculated soon after production in the testes.
 
2012-10-20 11:33:22 PM  
i.imgur.com
Other than the bushy-ended tail, which isn't very squirrel-like anyway, it looks more like an opossum.
 
Skr
2012-10-21 10:52:16 AM  
Purgatorius is a pretty awesome name I must admit. Sounds Death Metally.
 
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