Modern Human's emergence 200,000 years ago? Seriously?

[Charlie P. (NY)]

"How long is 200,000 in the scale of evolution?"

Depends on the mechanism of change: Natural Selection, Genetic Drift, Mutations and Gene Flow. Some only take two or three generations to "take hold". Some take tens of thousands of years. Viruses - hours.

Generally there will be long periods of stable populations and then a dramatic change; could be within a generation.

You can see species that have become isolated in recorded history that have become a distinct groups from the rest of the population. Two examples in humans - lactose tolerance vs. intolerance and immunity to malaria. Not changes that make a separate species . . . yet. A more dramatic in the genes of individuals may make a difference that does favor one vs the other. It is suspected that most human adults would have been lactose intolerant prior to the domestication of cattle some 9,000 years ago. We lacked the internal bacteria to digest it.

Blood types in humans - Rh positive or negative. That may make a difference at some time. It is the difference in a protein that is on some people blood but absent in others. That's a big difference. And, again, may make a difference in the next generation or the next 200 generations.

 

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[No gold in NY]

Here's a good link read on the subject of the recovery.

Fossil jawbone from Israel is the oldest modern human found outside Africa

Thank you pepperj, that was a very interesting read

 

[Gold Maven]

this is a little long winded, but makes sense about our origion

 

[Slingshot]

I consider 200,000 a conservative estimate and also spotted a couple of Neanderthals lurking in front of a liquor store earlier today.

 

[worldtalker]

"......scientific fundamentalists do not realize that their opinions are based on faith. They think they know the truth." Rupert Sheldrake - biochemist/biologist

They think they know but really don't so they think they know and that's all that matters..Most of humanity falls into that.

 

[Duckshot]

It is suspected that most human adults would have been lactose intolerant prior to the domestication of cattle some 9,000 years ago. We lacked the internal bacteria to digest it.

Really?



Then who first started drinking milk that they could not digest? Did they feed it to their kids over dozens of generations until the kid could stomach milk? I suspect some scientist has been telling tavern tales to secure funding.

Like Thillathahunt suggest- you gotta have a lot of faith to accept conjecture as fact. More faith than i got. That's a major problem with all the sciences, at a certain point every belief is dependent on faith.

 

[Peyton Manning]

I recall many years ago, there was found in africa some foot prints in mud that had turned to stone
from just foot prints the "scientists" knew what the female looked like, how she lived, and even had a drawing of her

I have my doubts about the experts

 

[Krittlefish85]

hey guys im new to the site but this is a topic that has always bamboozled me. if you get a chance check out the pick axe that was found fossilized inside of bedrock with handle still intact and everything. how long does bedrock take to form?... millions of year. or check out the spark plug found in a russian coal mine embedded in a chunk of coal. once again hundreds of thousands of year if not a million years for coal to form. so i too believe we have been here far longer than we have documented only when we get wiped out so does all our documentation. hell it may be stored in some of this quartz im always smashing up lol. anyway hope some of you find those 2 relics a bit interesting. so yeah my names Guy but everyone calls me Catfish or fish

 

[DizzyDigger]

Hard to imagine that humanity could actually survive 200,000 years without electricity,
indoor plumbing, hot water on tap, telephones, cell phones, computers....(you get the point)

I wonder how many people today could survive a year or more without all our modern
conveniences. Just take away electricity, then sit back and watch civility and society fade
away in a heartbeat.

 

[ClaimStake]

yawns... ok It's late I'm board. lots of "theories" around here, soundin' all grand and dandy like its just figured out and all.

here's one.

humanity and the solar system is far older than people think.

the flying saucer is a reality manipulation device.
comprehension is a b***, those that can "master" it, rule the world.

very few can.

 

[ToddsPoint]

hey guys im new to the site but this is a topic that has always bamboozled me. if you get a chance check out the pick axe that was found fossilized inside of bedrock with handle still intact and everything. how long does bedrock take to form?... millions of year. or check out the spark plug found in a russian coal mine embedded in a chunk of coal. once again hundreds of thousands of year if not a million years for coal to form. so i too believe we have been here far longer than we have documented only when we get wiped out so does all our documentation. hell it may be stored in some of this quartz im always smashing up lol. anyway hope some of you find those 2 relics a bit interesting. so yeah my names Guy but everyone calls me Catfish or fish

I saw that hammer in rock. The "rock" is an iron concretion which can form in a short amount of time...decades, not millennia. Gary