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Early Human 'Lucy' Swung from the Trees
LiveScience ^ | Thursday, October 25, 2012 | Charles Choi

Posted on 10/29/2012 2:12:45 PM PDT by SunkenCiv

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To help resolve this controversy, scientists looked at two complete shoulder blades from the fossil "Selam," an exceptionally well-preserved skeleton of a 3-year-old A. afarensis girl dating back 3.3 million years from Dikika, Ethiopia. The arms and shoulders can yield insights on how well they performed at climbing. (Shown here, Selam's cranium, face and mandible.) CREDIT: Image courtesy of Zeray Alemseged / Dikika Research Project

Early Human Lucy Swung from the Trees

1 posted on 10/29/2012 2:12:45 PM PDT by SunkenCiv
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To: StayAt HomeMother; Ernest_at_the_Beach; decimon; 1010RD; 21twelve; 24Karet; 2ndDivisionVet; ...

 GGG managers are SunkenCiv, StayAt HomeMother & Ernest_at_the_Beach
To all -- please ping me to other topics which are appropriate for the GGG list.


2 posted on 10/29/2012 2:37:17 PM PDT by SunkenCiv (https://secure.freerepublic.com/donate/)
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To: SunkenCiv

Maybe because Lucy *was* an ape.


3 posted on 10/29/2012 2:38:14 PM PDT by sigzero
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To: SunkenCiv

4 posted on 10/29/2012 2:41:10 PM PDT by Bratch
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To: sigzero

Is this the one that BJ wanted to date ?


5 posted on 10/29/2012 2:43:11 PM PDT by katykelly
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To: SunkenCiv

http://1.bp.blogspot.com/_sJMwLVfVcVw/St8pU5q4suI/AAAAAAAABp0/nFLa4-sk_fA/s320/Dawn+of+Man.gif


6 posted on 10/29/2012 2:44:53 PM PDT by BenLurkin (This is not a statement of fact. It is either opinion or satire; or both)
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To: SunkenCiv

7 posted on 10/29/2012 2:46:24 PM PDT by JediJones (Vote NO on Proposition Zero! Tuesday, November 6th!)
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To: SunkenCiv
..the socket for the shoulder joint was pointed upward in both Selam and today's apes, a sign of an active climber. In humans, these sockets face out to the sides.

Now, I thought that evolutionary theory was such that a trait that was beneficial would always overpower, or at least remain neutral to, those traits that were detrimental, or otherwise of negligible benefit. So, even after 3 million years, one might expect that a trait for more powerful shoulders, would be more of a survival imperative than proportionally weaker ones. In point of fact, there are many characteristics of early hominid development that would increase survivability over what the human race has inherited.

8 posted on 10/29/2012 3:02:30 PM PDT by Thommas (The snout of the camel is in the tent..)
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To: SunkenCiv

She’s got some ‘splainin’ to do!


9 posted on 10/29/2012 3:05:24 PM PDT by PlateOfShrimp
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To: SunkenCiv

What a bunch of BS!


10 posted on 10/29/2012 3:07:03 PM PDT by Jack Hydrazine (It's the end of the world as we know it and I feel fine!)
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To: SunkenCiv

I spent half of my life before age fifteen in trees. Maybe I’m a throwback?


11 posted on 10/29/2012 3:17:04 PM PDT by darth
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To: Jack Hydrazine

Exactly, Jack, what fun Satan has with this nonsense. He hates us so. To have serious men in serious robes discuss our ancestors swinging from trees. Such a mockery.


12 posted on 10/29/2012 3:17:53 PM PDT by Persevero (Homeschooling for Excellence since 1992)
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To: Thommas
just asked a fellow yesterday to think about why he has fingernails and other critters have claws next time he gets into a discussion of evolution.

Apparently he didn't understand the point and ignored me. However, let me expand on it a bit ~ humans have finger nails. The hardness is controlled by genes. About half have hard nails. The other half have soft nails.

It's been that way for hundreds of thousands of years, and probably even millions of years ~ all the way back to the first dude to have fingernails,

Evolutionary theory always said this about that ~ the fingernail type most advantageous to the survival of the species is the type each individual should have.

In the case of important features ~ to wit: fingernails ~ that have 2 variations, and which persist through geologic time ~ the traditionalists would say "see, neither type has survival advantage so both survive". Yet, we can look back up the line to the forebears and some of them have claws ~ well, actually, at some point going back they all had claws, and all claws are hard ~ that's because claws need to be hard. Fingernails that replaced them obviously had more survival advantage so presumably they started off hard as well ~ then what? Well, another type with no clear advantage we can see, the soft ones, came into existence, and now we have some people with hard and some people with soft fingernails.

By now you've probably gotten to the question ~ how is it soft fingernails have an advantage over claws? Your friendly neighborhood bears would probably like to know that answer as well ~ did you know they can open doors using the knobs and levers? Their mothers teach them now to do that. They open your door; go in; raid your refrigerator; and close it.

They'll be back!

Bears have hard claws and can gut you in a NY sec. They can peel oranges if you let them.

So, why nails? Why soft nails?

13 posted on 10/29/2012 3:27:41 PM PDT by muawiyah
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To: Persevero
What is your problem with trees and tree climbing? i had an ash in the front yard where i could climb high enough to see over the neighborhood into downtown Indianapolis. Couldn't quite do that in the big oak in the backyard.

Nothing like climbing a tree for pure pleasure.

14 posted on 10/29/2012 3:31:02 PM PDT by muawiyah
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To: Persevero

There are a few rogue scientists out there who speculate that mankind has been around for up to a billion years.


15 posted on 10/29/2012 3:36:01 PM PDT by Jack Hydrazine (It's the end of the world as we know it and I feel fine!)
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To: SunkenCiv

Lucy is a joke, by a desperate professor, at the end of his tour and funding.
Parts found half a mile and depths apart, yet attributed to same critter, and WaLa! It’s transitional!


16 posted on 10/29/2012 3:41:33 PM PDT by G Larry (Which of Obama's policies do you think I'd support if he were white?)
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To: muawiyah

we have fingernails because they are easier to trim to enable us to keep them short so we can use tools with utmost dexterity. ever see a lady with 4 inch nails work? they are basically useless. its an evolving trait that the body uses to expel dead cells.


17 posted on 10/29/2012 3:46:10 PM PDT by RMagnus
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To: RMagnus
ever see a lady with 4 inch nails work? they are basically useless

So true.

http://www.youtube.com/watch?v=z4Ep6U0EN1g

18 posted on 10/29/2012 3:58:06 PM PDT by Sirius Lee
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To: RMagnus

http://t2.gstatic.com/images?q=tbn:ANd9GcSl2_5zcqqdDNBiHqxZflUAHxP3EU5ApqPbKlMf6HxQDADAHrvn ~ MONKEY FINGERNAILS and then http://universalspectrum.org/forum/attachment.php?attachmentid=189&d=1336375640 Baby marmoset claws ~ world’s smallest monkey.


19 posted on 10/29/2012 4:35:17 PM PDT by muawiyah
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To: G Larry
We had a state trooper who stopped somebody about 30 years ago over on nearby I95 ~ he was standing too close to the roadway and got hit by a bus ~ they found his parts scattered for a couple of miles up and down the road.

Is there something I'm missing in this story?

20 posted on 10/29/2012 4:39:26 PM PDT by muawiyah
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