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(Mental Floss)   5 signs liberals and the devil want you to believe indicate that humans are still evolving   (mentalfloss.com ) divider line
    More: Interesting, mutations, the devils, evolutionary pressure, huntergatherers, University of Sheffield, natural selection  
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6641 clicks; posted to Geek » on 30 May 2012 at 7:20 PM (4 years ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2012-05-30 05:57:54 PM  
ummm, huh?
 
2012-05-30 06:03:18 PM  
5. We Have Blue Eyes

Ooooh yeah, this is going to go over like a pregnant pole vaulter. I'm sitting this one out. Tell Bevets I said hi.
 
2012-05-30 06:07:02 PM  
I believe I read somewhere that "lactose tolerance" is the most recent big evolution in the humans. However there have been smaller, genetic abnormalities that have popped up that can be traced to a specific common ancestor.

Evolution just means change within a species. You would have to be farking retarded to think human beings are the same as they've always been and always will be.
 
2012-05-30 06:11:18 PM  

Ambivalence: Evolution just means change within a species.


Fail.
 
2012-05-30 06:12:14 PM  
I have spleen brows and a nipple that fires out of my armpit when i'm mad.

It can be distracting when i have to walk across the room to pick it back up after i win the argument.
 
2012-05-30 06:12:34 PM  
That was mildly interesting. I think it's crazy they can tell about when and where the first blue-eyed human showed up.
 
2012-05-30 06:15:52 PM  
I'm lactose intolerant. I consider all you lactose tolerant people to be mutie freaks. You people should forced to register yourself with the government.
 
2012-05-30 06:16:37 PM  

Ambivalence: Evolution just means change within a species.


I have it on good authority (from Kirk Cameron, Ph.D. Sc.D.) that evolution means crocoducks.
 
2012-05-30 06:16:59 PM  

wiredroach: Ambivalence: Evolution just means change within a species.

Fail.


care to elaborate? People get their panties in a twist thinking that evolution is something it's not. It's really not that difficult. It's change within a species (occasionally creating new species). A trait that wasn't there before is there now, for whatever reason.

If that's a fail, perhaps you would care to englighten me?
 
2012-05-30 06:18:17 PM  
There appears to be a substantial number of reputed humans who have ceased to evolve. In fact, they've begun to devolve

/they're called Republicans
 
2012-05-30 06:18:50 PM  

RexTalionis: I'm lactose intolerant. I consider all you lactose tolerant people to be mutie freaks. You people should forced to register yourself with the government.


We are mutie freaks. We're SUPERIOR mutie freaks. That's why you have to take special pills to eat ice cream. Suck on that.
 
2012-05-30 06:20:09 PM  

wiredroach: Ambivalence: Evolution just means change within a species.

Fail.


It may have been written inelegantly, but Ambivalence's definition is essentially correct.

Biologists define evolution as the change in the frequency of certain genetic traits within a population.
 
2012-05-30 06:20:35 PM  

Ambivalence: RexTalionis: I'm lactose intolerant. I consider all you lactose tolerant people to be mutie freaks. You people should forced to register yourself with the government.

We are mutie freaks. We're SUPERIOR mutie freaks. That's why you have to take special pills to eat ice cream. Suck on that.


Eh, I'm not that lactose intolerant. I just don't drink milk.
 
2012-05-30 06:36:41 PM  
Our brains are shrinking?

While we may like to believe our big brains make us smarter than the rest of the animal world, our brains have actually been shrinking over the last 30,000 years. The average volume of the human brain has decreased from 1,500 cubic centimeters to 1,350 cubic centimeters, which is equivalent to a chunk the size of a tennis ball.

There are several different conclusions as to why this is.


I submit:

www.beer100.com
 
2012-05-30 06:39:25 PM  

eraser8: wiredroach: Ambivalence: Evolution just means change within a species.

Fail.

It may have been written inelegantly, but Ambivalence's definition is essentially correct.

Biologists define evolution as the change in the frequency of certain genetic traits within a population.


It was meant to be a simple definition. Far too many people think Evolution is some abhorrent conspiracy to equate people with monkies. They're all up in arms and they don't even know what evolution IS. There are numerous examples of human-directed evolution in the development of various plants and animals that are so dependant on human intervention they would go extinct if humans didn't exist. Corn, many breeds of dogs, many breeds of livestock like cattle, sheep, chickens.

But no, they perform ridiculous "experiments" putting water and charcoal in a jar and asserting that because life did not spontaneous spring up as a result, all life must have been created by God (seriously, I saw this as a Christian "science fair" experiment). Nevermind changes happen in nature ALL THE TIME. Evolution isn't some theory of how things used to be, it's happening NOW in real time in observable space.

I just recently I read an article about a species of snake that is changing its reproduction to give live birth instead of laying eggs. That's HUGE. But no, evolution doesn't exist because monkies still exist or some other retarded nonesense.
 
2012-05-30 06:40:27 PM  

eraser8: Ambivalence: Evolution just means change within a species.

I have it on good authority (from Kirk Cameron, Ph.D. Sc.D.) that evolution means crocoducks.


Also, something about how a banana fits in your hand. Or your butt. I forget what his point was there.
 
2012-05-30 06:43:52 PM  

RexTalionis: Ambivalence: RexTalionis: I'm lactose intolerant. I consider all you lactose tolerant people to be mutie freaks. You people should forced to register yourself with the government.

We are mutie freaks. We're SUPERIOR mutie freaks. That's why you have to take special pills to eat ice cream. Suck on that.

Eh, I'm not that lactose intolerant. I just don't drink milk.


www.queerty.com

Only ice cream that should be eaten by humans... Milk from a cow? wtf?

/freak
 
2012-05-30 06:44:45 PM  

RexTalionis: I'm lactose intolerant. I consider all you lactose tolerant people to be mutie freaks. You people should forced to register yourself with the government.


Nadie_AZ: Our brains are shrinking?

While we may like to believe our big brains make us smarter than the rest of the animal world, our brains have actually been shrinking over the last 30,000 years. The average volume of the human brain has decreased from 1,500 cubic centimeters to 1,350 cubic centimeters, which is equivalent to a chunk the size of a tennis ball.

There are several different conclusions as to why this is.

I submit:

[www.beer100.com image 284x328]


It's interesting that a possible hypothesis for that is socialization. Between that and the possible higher resistance to social diseases in urban populations, it appears that we're becoming more suited to living in larger groups. This is good- it's the only way there's enough room on the planet to support our numbers.
 
2012-05-30 06:50:16 PM  

unyon: RexTalionis: I'm lactose intolerant. I consider all you lactose tolerant people to be mutie freaks. You people should forced to register yourself with the government.

Nadie_AZ: Our brains are shrinking?

While we may like to believe our big brains make us smarter than the rest of the animal world, our brains have actually been shrinking over the last 30,000 years. The average volume of the human brain has decreased from 1,500 cubic centimeters to 1,350 cubic centimeters, which is equivalent to a chunk the size of a tennis ball.

There are several different conclusions as to why this is.

I submit:

[www.beer100.com image 284x328]

It's interesting that a possible hypothesis for that is socialization. Between that and the possible higher resistance to social diseases in urban populations, it appears that we're becoming more suited to living in larger groups. This is good- it's the only way there's enough room on the planet to support our numbers.


It may also be some unintentional selective breeding in that babies' heads are dangerously big to fit though women as currently designed. People with smaller heads can be born more easily.
 
2012-05-30 06:53:24 PM  
FTFA: "One group of researchers suspects our shrinking brains mean we are in fact getting dumber..."

...making it more likely that it's the devil.
 
2012-05-30 06:54:40 PM  

Nadie_AZ: Our brains are shrinking?

While we may like to believe our big brains make us smarter than the rest of the animal world, our brains have actually been shrinking over the last 30,000 years. The average volume of the human brain has decreased from 1,500 cubic centimeters to 1,350 cubic centimeters, which is equivalent to a chunk the size of a tennis ball.

There are several different conclusions as to why this is.

I submit:

[www.beer100.com image 284x328]


I was going to suggest integrated circuitry
 
2012-05-30 06:55:26 PM  
What's with all these green lights today? Did Fox decide to buy ad space here on Fark?

Admit it Drew. Newscorp is your dark lord.
 
2012-05-30 06:58:57 PM  
That'll teach me to just read the headline.

/slinks away from thread
 
2012-05-30 07:19:44 PM  
Jesus loves my hazel eyes.
 
2012-05-30 07:21:12 PM  
Hey, I passed on my extra vertebra on to my daughter. And my gray eyes. Dating a gal with gray eyes, and thus a race of hyper-flexible limbo artists with spit colored eyes will descend from my progeny...

FEAR US!
 
2012-05-30 07:32:05 PM  
The wisdom teeth part leaves out the fact that humans have shorter faces than other apes, which means the normal number of ape teeth are crammed into a smaller space. What we call "wisdom teeth" are simply the last pair of molars which now have little room to work in. Think of Persian cats and bulldogs, who also have smushed faces and all their teeth packed into less space (which causes far worse health problems for them than wisdom teeth do for us).
 
2012-05-30 07:33:07 PM  
If we're reproducing, we're evolving. You can' have one without the other.
 
2012-05-30 07:33:53 PM  

violentsalvation: Jesus loves my hazel eyes.


Forget him. What does Maria think? She's hot.
 
2012-05-30 07:35:21 PM  

Keizer_Ghidorah: The wisdom teeth part leaves out the fact that humans have shorter faces than other apes, which means the normal number of ape teeth are crammed into a smaller space. What we call "wisdom teeth" are simply the last pair of molars which now have little room to work in. Think of Persian cats and bulldogs, who also have smushed faces and all their teeth packed into less space (which causes far worse health problems for them than wisdom teeth do for us).


Um, I think the "we have smaller jaws" covered that in TFA. They also mentioned the fact that we have much better dental hygiene than we used to, so fewer of us are losing adult teeth in time to make room for the wisdom teeth than in the past.
 
2012-05-30 07:40:12 PM  
Our meals are softer and easier to chew, and our jaws are much smaller as a result

Jean-Baptiste Lamarck lives!
 
2012-05-30 07:42:16 PM  

hubiestubert: Hey, I passed on my extra vertebra on to my daughter. And my gray eyes. Dating a gal with gray eyes, and thus a race of hyper-flexible limbo artists with spit colored eyes will descend from my progeny...

FEAR US!


She'll probably be 18 before I'm 40. Got a college picked out?
 
2012-05-30 07:47:49 PM  
I've got a question concerning evolution. Don't get me wrong; I don't doubt evolution, but there is one sticking point that I don't get, concerning speciesation.

OK, so at some point, enough (or severe enough) mutations have occurred such that a different species that cannot interbreed with its earlier branch from the tree. Let's use the human-bonobo split, for example. At some point, ca. 6 million years ago, some ape zygote had a that one chromosome broken and would be the ancestor to humans and not bonobos. How could he/she interbreed with the other apes to make more proto-humans if he/she had the two chromosomes that we have, instead of the unbroken one that bonobos have?
 
2012-05-30 07:51:46 PM  
Not to threadjack, but is it common for a person's iris color to change with age?
Had deep brown eyes for my first 30 years, now they're greenish grey at 50.

/Too much Jagermeister?
 
2012-05-30 07:53:46 PM  

Ed Grubermann: If we're reproducing, we're evolving. You can' have one without the other.


You would think that the deniers would want to be slowing down evolution instead of speeding it up with their pro-life, anti-contraceptive stance.
 
2012-05-30 07:54:43 PM  

Nadie_AZ: Our brains are shrinking?

While we may like to believe our big brains make us smarter than the rest of the animal world, our brains have actually been shrinking over the last 30,000 years. The average volume of the human brain has decreased from 1,500 cubic centimeters to 1,350 cubic centimeters, which is equivalent to a chunk the size of a tennis ball.

There are several different conclusions as to why this is.

I submit:

[www.beer100.com image 284x328]


"A herd of buffalo can only move as fast as the slowest buffalo. When the herd is hunted, the slow and weak at the back are killed first. The speed and health of the herd keeps improving by the regular killing of the weakest members.

"In the same way, the human brain can only operate as fast as its slowest brain cells. Excessive intake of alcohol, as we know, kills brain cells. Naturally, it attacks the slowest and weakest brain cells first.

"In this way, regular consumption of beer eliminates the weaker brain cells, making the brain a faster and more efficient machine. That's why you always feel smarter after a few beers."
 
2012-05-30 07:58:37 PM  
Sooooooooo.... We're evolving into White People?
 
2012-05-30 08:01:03 PM  

HopScotchNSoda: I've got a question concerning evolution. Don't get me wrong; I don't doubt evolution, but there is one sticking point that I don't get, concerning speciesation.

OK, so at some point, enough (or severe enough) mutations have occurred such that a different species that cannot interbreed with its earlier branch from the tree. Let's use the human-bonobo split, for example. At some point, ca. 6 million years ago, some ape zygote had a that one chromosome broken and would be the ancestor to humans and not bonobos. How could he/she interbreed with the other apes to make more proto-humans if he/she had the two chromosomes that we have, instead of the unbroken one that bonobos have?


Not a biologist by any stretch but the way I understand it:

It's explained by natural selection. Using a Finch as an example because that is how Darwin rolls...

- A group of finches is chillin on an island that has an abundant source of nuts
- Finch gene mutates and leads to a larger beak, allowing it to be more efficient at cracking nuts
- Finch gets fat because it can get more food than the others.
- Mama finch say hey big boy you look strong and sexy, gimme some of your DNA
- Gene may or may not get passed to next generation but eventually will become dominant.

After a number of small changes like that, DNA becomes non compatible and *poof*, new species.
 
2012-05-30 08:01:18 PM  
Sure but have you ever seen a human evolve into an octopus? No? Then case closed and praise Jesus.
 
2012-05-30 08:01:46 PM  

HopScotchNSoda: I've got a question concerning evolution. Don't get me wrong; I don't doubt evolution, but there is one sticking point that I don't get, concerning speciesation.

OK, so at some point, enough (or severe enough) mutations have occurred such that a different species that cannot interbreed with its earlier branch from the tree. Let's use the human-bonobo split, for example. At some point, ca. 6 million years ago, some ape zygote had a that one chromosome broken and would be the ancestor to humans and not bonobos. How could he/she interbreed with the other apes to make more proto-humans if he/she had the two chromosomes that we have, instead of the unbroken one that bonobos have?


Because a mutation that huge doesn't come around so suddenly that suddenly one creature suddenly comes around one day with two chromosomes instead of one. The change is much more gradual and over time, the population drifts so that one side had two chromosomes and the other had one.

/Not an evolutionary biologist.
 
2012-05-30 08:02:06 PM  
What's that ape with the huge penis again?

/My evolutionary goal.
 
2012-05-30 08:03:15 PM  

HopScotchNSoda: I've got a question concerning evolution. Don't get me wrong; I don't doubt evolution, but there is one sticking point that I don't get, concerning speciesation.

OK, so at some point, enough (or severe enough) mutations have occurred such that a different species that cannot interbreed with its earlier branch from the tree. Let's use the human-bonobo split, for example. At some point, ca. 6 million years ago, some ape zygote had a that one chromosome broken and would be the ancestor to humans and not bonobos. How could he/she interbreed with the other apes to make more proto-humans if he/she had the two chromosomes that we have, instead of the unbroken one that bonobos have?


He would sucessfully breed with some but not all. In time those groups will diverge.

Another likely scenario is 2 groups of the same species would be physicaly separated for many many generations and when finaly reunited they would find out they couldnt interbreed anymore - effectvelly 2 distinct species now.
 
2012-05-30 08:04:53 PM  

HopScotchNSoda: I've got a question concerning evolution. Don't get me wrong; I don't doubt evolution, but there is one sticking point that I don't get, concerning speciesation.

OK, so at some point, enough (or severe enough) mutations have occurred such that a different species that cannot interbreed with its earlier branch from the tree. Let's use the human-bonobo split, for example. At some point, ca. 6 million years ago, some ape zygote had a that one chromosome broken and would be the ancestor to humans and not bonobos. How could he/she interbreed with the other apes to make more proto-humans if he/she had the two chromosomes that we have, instead of the unbroken one that bonobos have?


This will help
http://en.m.wikipedia.org/wiki/Speciation#section_1

Read about allopatric, peripatric, parapatric, and sympatric speciation.
 
2012-05-30 08:07:40 PM  
RexTalionis
Eh, I'm not that lactose intolerant. I just don't drink milk.

Ah, so you're an anti-lactite. Bigot!

I was all set to call myself a mutant for having fake melanin (pheomelanin) found in blond and red hair, but it turns out it's only redheads that have it. There are two types of the regular stuff (black and brown eumelanin), with most of the population having black and pale whities having the brown. Blond hair is caused by only brown, with no black present.

Link

Eye colour is completely unrelated, and has to do with Raleigh scattering - so my eyes are blue for the same reason the sky is blue. Neat.

Link

/The More You Know
 
2012-05-30 08:08:05 PM  
Biologically, maybe. As a society though its seems like we're devolving fast.
 
2012-05-30 08:10:03 PM  
Of course humans are still evolving. It would be foolish to believe otherwise.

I guarantee that human beings 100,000 years from now (not very long at all in geologic time) will be substantially different than today. Assuming we're not extinct, which is a big IF.

People think that because we're no longer commonly eaten by tigers that somehow there's nothing to drive genetic changes in humans. That is false. There's still sexual selection, there's still genetic drift, there are always new diseases, etc.
 
2012-05-30 08:10:08 PM  

Bondith: Ah, so you're an anti-lactite. Bigot!


www.alexrossart.com
 
2012-05-30 08:10:52 PM  
www.mentalfloss.com

Doctor Longhands McSmokey is about to kung-fu the shiat out of you.


Nadie_AZ: Our brains are shrinking?

While we may like to believe our big brains make us smarter than the rest of the animal world, our brains have actually been shrinking over the last 30,000 years. The average volume of the human brain has decreased from 1,500 cubic centimeters to 1,350 cubic centimeters, which is equivalent to a chunk the size of a tennis ball.

There are several different conclusions as to why this is.

I submit:

[www.beer100.com image 284x328]


Actually alcohol could be #6 on that list, since we only recently developed an ability to tolerate it. And some groups (Asians, Native Americans) still aren't all the way there yet.
 
2012-05-30 08:11:55 PM  
Overman
Another likely scenario is 2 groups of the same species would be physicaly separated for many many generations and when finaly reunited they would find out they couldnt interbreed anymore - effectvelly 2 distinct species now.

I recall reading in (possibly) National Geographic about a series of populations of a species of Arctic tern (or something) distributed from Alaska to, like, Siberia or so. Each population could interbreed with the populations adjacent to it, but the two on the ends couldn't.

Wish I could remember useful details.

/has a deep abiding hatred of biology, but stuff like this is neat
 
2012-05-30 08:18:06 PM  

Ambivalence:

... other stuff ...

I just recently I read an article about a species of snake that is changing its reproduction to give live birth instead of laying eggs.


I think this is to what you're referring?
http://news.nationalgeographic.com/news/2010/09/100901-science-animal s -evolution-australia-lizard-skink-live-birth-eggs/
 
2012-05-30 08:18:07 PM  

Doc Daneeka: Of course humans are still evolving. It would be foolish to believe otherwise.

I guarantee that human beings 100,000 years from now (not very long at all in geologic time) will be substantially different than today. Assuming we're not extinct, which is a big IF.

People think that because we're no longer commonly eaten by tigers that somehow there's nothing to drive genetic changes in humans. That is false. There's still sexual selection, there's still genetic drift, there are always new diseases, etc.


It sounds cruel but we are also interfering with natural selection by allowing inferior genes to get passed along. Who knows what all this messing with the natural order will do. BTW, I'm NOT trying to justify eugenics.
 
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