- From monkeys, to humans, to what?
- I don't want to do this.
- Well then, what do you want to do?
- I don't know, something.
- Wow!
- Humans are a taller, healthier,
and overall improved species than we've ever been before.
But how much better can we really get?
Really, how much more improvement can we possibly see?
We seem to continue to adapt to environmental factors,
but is there a limit to where our evolution can go?
And more importantly, what could be next for us?
These are 10 ways that humans are likely to evolve.
Number one is genetic engineering.
Technology is on the verge of making genetic engineering
possible, opening all sorts of doors for human evolution.
And there are many possibilities,
like the elimination of negative genes all together,
giving a better quality of life to people.
One theory states that we will diverge
into different groups of humans,
the tall and rich, genetically superior people
and the short and poor inferior gene pool humans.
Now we are still quite far
from offering genetic engineering as a service
since genetically modifying our food
and sometimes even our pets
is already a reality which is receiving
a fair amount of criticism.
Currently, genetically modified crops
have become a controversial topic
within the food industry
with researchers claiming that it could actually
be unhealthy to consume those products
and that food containing GMOs should be clearly labeled.
But what is certain is that eventually,
when all the laws and regulations are settled,
we will create perfect people.
I would just like to say when that happens,
please don't round up all the bald people
because we still have value.
We still have value!
Number two is no wisdom teeth.
Around 1 million years ago,
early humans had larger jaws,
which could easily fit all 32 of their teeth,
including the wisdom teeth at the back.
They also had more use for their teeth too,
as their diets consisted more of raw, organic things
like dead prey or leaves and roots
that are harder to chew.
But today, our meat and vegetables are cooked,
blended, ripened, and tenderized
before we consume them,
making them much easier to chew and digest.
So we have much less use for our molars
and wisdom teeth than our ancestors
and our jaws have become more rounded
and less pronounced as a result.
In fact, 35% of modern humans are born without
their wisdom teeth, while others tend to get them
surgically removed to prevent them
from pushing the rest of their teeth out of alignment.
And I'm one of those people
that it was not a fun experience.
So it seems that wisdom teeth are already on their way out.
It could be as soon as the next generation
who stop growing them.
Only problem is we're going to have less
David after dentist-type videos where we're going to see
people high after getting their wisdom teeth out.
Ah, let's enjoy them while we have them.
Number three is taller.
Today's humans are nearly four inches taller
on average than our relatives from 150 years ago.
The reasons for this may have to do
with the nutrient-rich diets that we received as children.
Today's kids are given a lot more variety in their meals
than an average person's kids in the 1800s.
Now you might be thinking, "But if our diets
"can keep improving, our next generations
"might become tall enough to film a reboot of Space Jam
"or domesticated giraffes as live-in pets."
But don't worry, that's not going to happen
because actually, our growth will hit a peak.
The ceiling of this growth depends entirely on our genes
since they are the determining factor
in how much we can achieve physically
when given the right amount of nutrients.
Trust me, I tried eating a lot of vegetables.
It didn't make me taller.
If height becomes a desirable trait,
we'll just have to breeding the tallest people
together and create some kids with genes
that are capable of making them look like
circus stilt walkers.
Number four is less hair.
Hold up, the future of humanity
could look just like me?
All right, all right, all right!
Scientist claim that humanity could actually evolve
to grow less body hair since millions of people
are constantly trying to get rid of it.
As we have progressed through evolution,
we have already shed a ton of it.
And with more clothes and weather protection,
our need for it decreases.
Both men and women already use hair removal tools
and treatments to give them smoother skin,
and people with less hair are generally
seen as more attractive and more likely to breed.
In evolutionary terms, the hair on our heads
has most likely been kept as a useful way
of shielding our scalps from the sun
or as an extra layer of warmth against the cold weather.
I can vouch for that.
I need tooks all day.
As for body hair, that may have stayed around
because it helps exhibit pheromone scents
or just because it helps retain the heat around our junk.
But future humans could look completely hairless
and probably shinier.
(imitates seal calls)
Number five is less muscle mass.
With our increasing dependence on technology,
we are now more prone than ever
to sitting on our butts all day.
Technology will also soon control most of the common labor
jobs and many manual labor jobs.
With robots taking up all the hard work,
we will need our physical strength less and less.
And if we ever put colonies in space,
you can expect your muscle mass to decrease significantly
with the loss of gravity.
If we go further back in the human evolutionary process,
our evolved weakness compared to our specie's ancestors,
chimpanzees may have been a trade-off
for the super-smart brains that we possess today.
The less energy that we devote to powering our muscles
could end up benefiting us in the intelligence department.
Basically, our bodies just became generators
to power smarter brains.
Number six are weaker immune systems.
With the increased usage of things like health supplements
and antibiotics, future humans
could have a harder time combating sickness and disease.
Not only will their bodies become dependent
on using vitamins and medicines to produce antibodies,
but viruses and diseases will mutate
and become more immune against the drugs that we use.
Personally, I blame those people that use
hand sanitizers all day.
You know who you are.
These super viruses could cause epidemics
and force us to rely more on new medicines
and medical technology, making us more
naturally susceptible to illness.
And with our evolutionary forecast showing humanity's
physical decline, our increasingly convenient new gadgets
and machines that remove the need
for us to move around won't be doing us any favors
fitness-wise.
If we're going to beat the ever-evolving super viruses
of the future, we better hope it's also possible
to leave our biological bodies
and enter our brains into something
that isn't susceptible to disease,
but that's some matrix stuff
and that's just a whole nother video.
Number seven is selective hearing.
You may have heard this term used in a negative way
by your parents or maybe by your significant other
when you've been accused of not listening.
While selective hearing is something
that already somewhat exists right now,
but it's all in your mind.
You can focus on certain sounds
through a mental ability known as the cocktail party effect.
This was researched in 1953 by cognitive scientist
Collin Cherry.
This basically allows your mind to block out
specific audio sources that are playing at the same time,
like paying attention to one conversation at a party.
A study of selective hearing in 2010 found that men
have less difficulty overall
than women in identifying sounds
from specifically-targeted sources.
Through evolution, our selective hearing
may become more honed and give us the ability
to silence ambient noises better.
Imagine the ability to tune out all Kardashian news
or even any Nickelback song.
Man, I long for a future like that.
Number eight is universal ethnicity.
With modern transportation becoming increasingly efficient,
humans of all different races have the ability
to travel and find romance just about anywhere on earth.
As the likelihood of interracial relationships increases,
the mixing of genetics will help to produce
new generations of humans who carry a blend
of unique traits found in multiple races.
In other words, love will literally
overcome our differences.
That, or night accompanied by 18 years of child support.
You know, either one.
Basically, racism as we know it could end
and people will be fairly similar in skin tone.
Any distinguishing features of a person's race
will lose significance or disappear altogether.
But this isn't to say that there will just be peace on earth
once this happens
because as humans, we will almost always be at odds
for our differences in opinions or beliefs.
Still, making things harder for racists and xenophobes
is always a step in the right direction.
Number nine is digital immortality.
According to the Oxford University Future of Humanity
Institute's director Nick Bostrom, future humans
may actually be able to develop a way to scan a brain
by each atom in order to create a sentient AI from it.
This would change natural evolution entirely,
ending natural selection
and replacing it with evolutionary selection
and thus, creating trans humans.
They would be able to receive updates,
eliminate the basic requirements of staying alive
like food, water, and sleep
and travel faster than a speeding bullet.
In theory, the creation of trans humans
will bring about questions of true consciousness
or a true self.
In other words, will this AI really be you?
And can you continue to experience life through it,
or is it simply a program that learned to be you?
Perhaps we're destined to live on through
our digital creations.
I mean, just imagine living inside a Super Mario game
or even a YouTube video.
Mm.
And number 10 is, we won't evolve.
Because our population has increased to a massive size
and we all live longer, an anthropologist
at the American Museum of Natural History,
Ian Tattersal, believes that everyone will live long enough
to pass down their genes and muddle the gene pool.
This would halt the progress of traditional evolution.
With our ability to survive regardless of genetic affliction
the Darwinian theory of natural selection
may not be applicable to our species anymore.
Humans would only be able to evolve in smaller communities
that are isolated and carry a smaller gene pool.
Not evolving could prove to be perfectly fine
for our species since we have achieved
a genetic foundation that has take our population
to the highest point that it has ever been at.
We are also smart enough to invent programs
that can teach themselves
and help carry us into the future
without having to adapt to our environment.
So that all means that we may literally be the final version
of humanity.
I don't know if that's good or bad because there's some
stupid people on this planet.
Mm.
But big thanks to all of you for watching this video.
And if you enjoyed it, remember to hit that like button
and subscribe if you haven't yet.
I'm going to have a brand new video for you
tomorrow at 12:00 west coast time,
3:00 eastern standard time,
so make sure you come by then.
Have a fantastic day.
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