Will the Human Race evolve and branch into two different species?

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Actually, according to some theories, although the Neanderthals did die off, there was enough interbreeding that, today, we all carry some measure of Neanderthal genes. 

And, there was some event which nearly caused humanity to go extinct --- the entire human population on Earth was reduced to some 50,000 people.

So we, as a species have already been through some pretty amazing events.
We do, especially the latest findings on Neanderthals and another early human species I do not remember name of, showed that some of the genetic material on modern human is derived from them. However, the species itself is yet extinct and the Homo sapiens is the branch that lived off. The two others (out of probably a few) did not. Those were subspecies at the time, not wholly new species, as they were able to reproduce still.

EDIT: And I do not know, if it got lost in my post, I meant that I do not believe humans have enough tolerance as it is for the different. The two sub species would kill each other off. :p
 
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Another piece of interesting detail about how we are evolving constantly:

More people are not growing wisdom teeth than in the past.
I only had one pulled out, and it was cut right from the jaw, since it never grew out. I just had the dentist appointment while ago and they couldn't tell which side it was. They're shy little dastards.

People are also taller than in middle ages and have bigger boobs. Testosterone levels have risen whole time, as well.
 

nio kasgami

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Another piece of interesting detail about how we are evolving constantly:

More people are not growing wisdom teeth than in the past.
exactly slowly generation begin to not have wisdom teeth !

hum how the human race will evolve

is depend of the factor of darwing Natural Selection I think..

if the enviroonement become more ''desertic'' we will all gain in some way black or taned skin due the fact the generation was to much in contact with heavy sun

if they begin to be to much cold ...we will have more ''pilosity ''  for protect us of the intense cold :3
 

Touchfuzzy

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I'm still just disappointed I can't shoot beams of kinetic energy from my eyeballs.
 
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@nio kasgami: Environment itself will not change humans. The capacity for variation is in the genome. People can tan, but some have darker skin that will tan more than others - and that is genetic variation. To evolve, old genetic variants need to become prevalent or new mutations need to accumulate and that will take time. Humans have technology and treat diseases enough to adapt through that to their environment and natural selection has little to do with where humanity is going at the moment, because of this. Social and economical situations account at the moment way more, which of the people will reproduce and whose children will live to reproduce again.

Some things keep going onwards, but environmental factors don't count quite that much anymore in most parts of the world.
 
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nio kasgami

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I'm still just disappointed I can't shoot beams of kinetic energy from my eyeballs.
Maybe someday...maybe someday..or just go in contact with Radiation : D!

@nio kasgami: Environment itself will not change humans. The capacity for variation is in the genome. People can tan, but some have darker skin that will tan more than others - and that is genetic variation. To evolve, old genetic variants need to become prevalent or new mutations need to accumulate and that will take time. Humans have technology and treat diseases enough to adapt through that to their environment and natural selection has little to do with where humanity is going at the moment, because of this. Social and economical situations account at the moment way more, which of the people will reproduce and whose children will live to reproduce again.

Some things keep going onwards, but environmental factors don't count quite that much anymore in most parts of the world.
Ho good point! 

so I also guess Dissease will in some what force the evolution of the human? 

but I always thinked environnement can affect THe evolution of human
 
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It can, if the effect is drastic enough. XD But nowadays we are not that much on the mercy of heatwaves for example. People usually survive them to live off normally, so it won't change people towards specific direction that straightforward. :< In undeveloped countries it may have stronger effect though, since infrastructure is not as developed and people do not have money always for the fancy beneficial technology (water might dry out, no aironditioning).

If there was some enormous, catastrophe who knows what would happen... <.< It would make sudden changes on what is prevalent qualities by chance.
 
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whitesphere

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I don't know much (or anything) about genetic engineering but in that sense it would make more sense.

I was thinking more like living in colonies, like how they depict in gundam lol
Hmmmm.  If people lived in colonies, especially on a different planet, they would have to be self-sufficient environments anyways.  It's not really practical to lift major supplies, even water, out from Earth's gravity well.  Let alone shipping it all the way to Mars.

I agree that it's more practical to live in colonies than to try to terraform the entire planet.  But, it still takes very good knowledge of the environment to make a self-sufficient, well, human terrarium colony which can run without outside resources for extended periods of time.
 

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Hmmmm.  If people lived in colonies, especially on a different planet, they would have to be self-sufficient environments anyways.  It's not really practical to lift major supplies, even water, out from Earth's gravity well.  Let alone shipping it all the way to Mars.

I agree that it's more practical to live in colonies than to try to terraform the entire planet.  But, it still takes very good knowledge of the environment to make a self-sufficient, well, human terrarium colony which can run without outside resources for extended periods of time.
still some minor adjustment's would be occurring to the human bone structure while they live on a colony in space..
 

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No matter what, you can't really terraform gravity. It might be possible in the future to create fake gravitational force or counter-force, but it seems unlikely. Wherever the gravity is different, humans would slowly change to accommodate this. For example, with stronger gravity our bone structure would get denser, our muscles might be by average more prominent, and other physical changes would occur to balance it out over many generations. Our body's balance, for instance, is governed by crystals in a fluid close to your ears. A tiny malfunction of these causes all sorts of problems, like you falling sideways because it feels like the ground is moving under you. So a lot of micro changes would have to occur when humans lived for prolonged periods of time on foreign planets with foreign gravitational pulls.
 

??????

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This topic seems to have hanged into a completely different subject than when it started...
 
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hian

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Another piece of interesting detail about how we are evolving constantly:

More people are not growing wisdom teeth than in the past.
My wife did not grow wisdom teeth. As a person whose wisdom teeth have been a real issue to me, I'm hoping this genetical trait is dominant, this way my son won't have to suffer with the same issues.

To believe that evolution is scientific or a fact requires that you don't believe in God. This forum is not a place to debate God's existence (we have a rule about no discussions on religion), and is therefore also not a place to debate the truth of evolution. If you want to continue on a lighthearted line as some people in this thread have been doing, go for it, but the moment this turns into a debate about having faith in an unseen God vs having belief in a scientific theory, it will be closed.
Eh no, it doesn't. Plenty of religious people accept evolutionary theory. In fact, the vast majority of Christians in western Europe (and pretty much most religious people in any part of the developed world with a proper public educational system) have no issue with believing both in God(s) and in Evolution, so the idea that you can't is patently absurd.

Rules are rules though.

That being said - if we're in the general section, and we're discussing (politely at that - no swearing, or caps-lock rants) science, isn't that within reason?

If someone of religious persuasion feels involves themselves in a discussion on matters of science on the basis that the science in question, in their opinion, is contradictory to their faith, then isn't the burden on them not to make a religious debate out of it? Not the burden of people not discussing religion, to make sure that their discussion isn't invaded by religious who might wish to discuss religion?

Unless, you also have a rule somewhere that we're not allowed to discuss science?

Just saying, it seems like a rather strange take on the situation, because conceivably any person of some minor or strange religion could walk into pretty much any topic and dictate the conversation at that point and say "This guy's opinion contradicts my religion, so shut down the thread."

This kind of rigid mindset will in fact inhibit humanity's evolution.
I don't think people's mindsets will have much influence on how we evolve. Unless, we're talking about affected evolution through genetic engineering.

Faith is like the precursor to knowledge. If you merely have faith in something, that means you don't know for 100% sure that it's real; you just believe. But when you can say that you KNOW something... your faith has evolved into knowledge.
I would say "curiosity" is the precursor to knowledge. Faith is what you replace knowledge with when knowledge isn't available because we can't seem to find the answer to a question.

That being said, faith and knowledge are essentially just two terms describing the same thing on two different ends of a spectrum - namely, sense of certainty.

If you're very certain, you call it knowledge, and if you're not so certain you call it faith.

After, if we go down the road of Cartesian skepticism, we can't really know much of anything. We always make certain assumptions about our experiences.

The difference between faith and knowledge then, is of course how few additional assumptions we have to make in order to entertain them, and how well an Evidentialist support-structure validates them.

Really, it's just pompous to assume that what we know is all there is. Come on; that can't be. There's so much more to life, the universe, and everything... there has to be.
Well, technically speaking, there doesn't really have to be more. We know there is more we don't know yet, though. Just saying, there could be a limit to things we don't know. Could be that things we "cannot know", is just code for things that don't exist.

Anyway, I don't think most people assume to know all there is. Usually, the people who think they know everything, are the ones who know the least, and are usually those who're quick to believe simplistic would-be explanations to phenomenon on lacking evidence.

Doubt is a powerful and important tool for human beings. After all, when you consider the multitude of cognitive biases we suffer from daily as human beings, some notable ones like conformation bias, and the Dunning Kruger Effect - doubting things, and asking questions, is really important.

That being said, it still behooves us to have respect for bodies of collective human knowledge that has been refined over several centuries by people who're very aware of the above while doing their research.

On-topic:

Having thought about it some more, I'm pretty sure the human race will diverge at some point.

Already the difference between rich and poor is getting more obvious with every technological advance (who can go to space, who can afford surgeries for extending life, vaccines etc), so once genetical engineering becomes more normal, those who are rich will start to deviate from the poorer populations genetically as well as financially.

At some point there will be little to nothing in common between them, except basic humanoid features (of course granted that we aren't all exterminated by our own idiocy, wars, diseases, natural disasters, meteors or alien invasions).

I.E when the human race evolves into divergent species, it won't just be natural selection that makes it so, but a combination of human design, and socio economic factors.
 
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GrandmaDeb

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Another piece of interesting detail about how we are evolving constantly:


More people are not growing wisdom teeth than in the past.
This is because certain people groups do not tend to grow wisdom teeth and these people groups are becoming more populous. It is not evolution, it is a change in the gene pool.


Not that I have any love of wisdom teeth... And it is interesting.


Other changes mentioned - height and body composition changes - have more to do with changing diets than genetics. You can see that in one generation in immigrant populations.


Genetic do not change because we want them to. They change randomly or catastrophically.


Even with deliberate breeding, like in dog breeds, new species are hard to create.


We discover them. I am not aware that we have created any.
 

Galenmereth

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This is because certain people groups do not tend to grow wisdom teeth and these people groups are becoming more populous. It is not evolution, it is a change in the gene pool.
Which is part of evolution.
 

GrandmaDeb

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By that argument if I have two children or four children, that is part of evolution.

I am so terribly important to the future of mankind!!!! =]

I think there is a difference between saying that something can contribute to evolution as a matter of principle, and trying to say that it actually contributes to the evolution of a species.

We have tons of stink bugs around here. It is a sad thing that species move around away from their natural predators and make life miserable, but they do. When their presence wipes out another species, that is a noteworthy event, right? Extinction is noteworthy. Severe depletion to the threat of extinction is so dangerous to a species that it is also noteworthy for many reasons.

However, changing the relative percentage of this allele or that allele - one that has hardly a blip on the radar for reproduction (the only factor evolutionary genetics cares much about) - is just something to comment on like the weather. Gene pools adjust and change all the time.
 

Galenmereth

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Evolution is so gradual that every little bit can potentially matter over a long span of time. And evolution isn't something that happens in a few hundred years -- it's the result of thousands of years of small changes persisting from generation to generation. And yes, having any child is being part of evolution. Having no children is also part of that, as it's not just the passing of genes that affect evolution: society and social interaction shapes the mind and in turn can affect evolutionary traits over time. None of us might singularly be important to humankind in the grand scheme of things, but like every grain of sand on the beach, we make up the whole from the viewpoint of the timeless.
 

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