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Who has figured out when man began?

B

Bird222

Diamond Member
I know there are models/equations for population growth. What I am looking for is the reverse of that that takes it back to the first two people on earth. Has anyone seen such a calculation?
 
You have to define "man". There's no on/off switch where one day there were not men and then the next day there were. We started evolving about 10 million years ago when the line that eventually led to humans split off from the apes. Somewhere along the way we went from being ape to man, most figure about 1.5 million years or so back to homo erectus. But you can certainly draw the demarcation line between ape and human at a different point depending on how human a human needs to be.
 
Is there any definitive work based on current eveidence that shows geographic and chronological history of chimps, ???, neanderthal, cro magnon, homo sapiens, etc?
 
You can not view it in reverse because there have been many population explosions and implosions throughout history. No working model can account for this as it is still relatively unkown.
 
KlokWyze said:
Is there any definitive work based on current eveidence that shows geographic and chronological history of chimps, ???, neanderthal, cro magnon, homo sapiens, etc?
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Yeah. I saw a show on Discovery or History (something like that) in which scientists took genetic samples from thousands of people and used that data to create a sort of 'map' of human evolution. It was pretty interesting. They were even able to identify periods of human history where 'we' were nearly wiped out for one reason or another. They found evidence that around 50k years ago the human population dwindled to just a few thousand people.

I wish I could find it. It was interesting.

As to the question in the first post, you'll never find 'Adam & Eve' because evolution is an ongoing process. I don't think that anyone (other than faith based creationists) can say that humanity started on a specific date. Like, *boom* today there was humans, yesterday there weren't. For that matter, we're still evolving today.
 
Interesting article

What We Learned About Human Origins in 2013

Researchers have discovered a 1.42-million-year-old hand fossil that possesses the styloid process, a vital anatomical feature that allows the hand to lock into the wrist bones, giving humans the ability to make and use complex tools.
Credit: University of Missouri

human-hand-fossil.jpg
 
sandorski said:
Think about what you're suggesting. How is that even possible?
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I'm not talking about this theory or that. You claimed science has the answers. I replied that science can contradict itself as well. There is never a total consensus. This is needed for a definitive answer to the origin of man. I doubt science alone can provide this.
 
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