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Title: Fossil Reanalysis Pushes Back Origin of Homo sapiens
Source:
sciam
URL Source: http://www.sciam.com/article.cfm?ch ... DFE-C0B7-1213-80B783414B7F0000
Published: Feb 17, 2005
Author: unlisted
Post Date: 2005-02-17 05:49:36 by 2Trievers
Keywords: Reanalysis, sapiens, Fossil
Views: 1889
Comments: 185
A new analysis of human remains first discovered in 1967 suggests that they are in fact much older than previously believed. The results, published today in the journal Nature, push back the emergence of our species by nearly 35,000 years. Ian McDougall of the Australian National University in Canberra and his colleagues worked with two well-known fossil finds known as Omo I and Omo II, which were recovered from Ethiopia's Kibish Formation by Richard Leakey. The remains include two partial skulls as well as arm, leg, foot and pelvis bones for Omo I. "Anthropologists said they looked very different in their evolutionary status," remarks study co-author Frank Brown of the University of Utah. "Omo I appeared to be essentially modern Homo sapiens and Omo II appeared to be more primitive." At the time, the bones were dated to 130,000 years ago, based on radioactive decay of uranium and thorium from oyster shells found nearby. This time the scientists returned to the southern Ethiopian site and identified the resting places of both individuals. They also unearthed another part of a femur bone for Omo I that fits together with the original remains. The researchers then analyzed the volcanic ash layers above and below the river sediment that contained the fossils using argon dating. They determined that the rock just below the fossils dated to 196,000 years ago. Because the layers of the Kibish Formation formed quickly during wet seasons that inundated the area with organic matter, the team posits that the bones are only slightly younger than this underlying layer. In addition, a layer of ash more than 150 feet above the burial sites dates to 104,000 years old, putting a limit on their age. Using other evidence, which drained from the Nile and the Omo rivers onto the Mediterranean seafloor, the researchers attest that the Omo fossils are most likely no younger than 190,000 years old. Previously the oldest known traces of our species were fossils from Herto, Ethiopia, that date to about 160,000 years ago. The older age of the Omo remains is concordant with dates suggested by genetic studies for the origin of our species, says study co-author John Fleagle of Stony Brook University. He adds that "as modern human anatomy is documented at earlier and earlier sites, it becomes evident that there was a great time gap between the appearance of the modern skeleton and 'modern' behavior."
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#126. To: 2Trievers (#124)
Hmmm . . . Now I need to wash my hair.
*sigh ... you'll never get it ..........................Freedom is being free from pro or con.
LOL ...Standing in mankind’s library it was noted: “Leave out the Physical Sciences and it’s all fiction.”
............................and football.
I'm free from all of it, watching a battlefield reconstruction of Agincourt.
That's true. And partly because the "Social Sceinces" have a disregard for facts over and above presumptuous theory. These theories spawn a faulty lexicon and bad logic. The earnest student soon loses allhis bearings. I got out of taking Sociology by taking Economics at school. Traded one sorry discipline for another.
Who's winning??
Very good Capps. what is with me, is the fact that Creationists claim that their myth overrides science, when in fact it is NOT science. Creationism and evolution has absolutely NOTHING in common, one is science based, empirical evidence etc, and Creationism is faith based, and has nothing to with any type of scientific evidence. So, to somehow say that evolution is wrong because of creationism is NONSENSE. To completely disavow science, because of a religious faith is STUPID, it is emotionally based nonsense. Whenever I hear a creationist saying that evolution is wrong because of their religious beliefs, I pounce on that stupidity. It is just the way I am. Evolution is scientific, empirical, falsifiable. If you wish to ba a creationist, WONDERFUL, do, but do not tell others that science is wrong because you BELIEVE something else. I am a Deist, I believe there is a God, not the way that you believe in a God, but I believe there is some Higher being. At the same time, I do not say that evolution is wrong because of my religious beliefs. They are 2 SEPARATE things. Science is science, religion is religion, they have NOTHING in common whatsoever, and one CANNOT and WILL not disprove the other. And until fundamentalists mature enough to make that realization, I will stomp on them whenever I run across them.
... gotta find you a New Hobby. You-could-be-an-oca-rina-salesman-going-from-door-to-door ... The gift of life it's a twist of fate
Bad day for King Harold.
I'm working on a few ideas...
I give you the Good Book. All I want is stereo FM installed in my teeth.
Got MBA?
Whoops, that was Hastings. Anyway, 6000 french guys are lying dead on the field of battle...
I'd want AM/FM installed in my teeth, and an HF transmitter too....LOL And thanks for the book, but I have like 6 different copies of it in my library, alongside a number of other religious texts. I find religion fascinating. As some have said, respect someone who is searching for the truth, doubt those that claim they have found it.
Misheard lyrics...
I love "mondegreens". Even got one published in a collection of them, a copy of the book w/ a nice note from the "author". Mine was from the Eagle's song "Hotel California". "Warm smell of coitus rising up in the air."
I do not believe that evil is an entity.. but evil resides in all men.. men are not basically good but basically evil and they are mankind is predisposed to do evil .. it is a choice.. and it's quite convenient and serves people to disregard or destroy God in their minds as a way to justify their actions....
Got half way through and switched to linguitics.
I agree with you about where evil resides. By saying "evil is an entity" I didn't mean that it was a being like Satan. I meant that evil was not the lack of goodness alone. The propostion that it is the absence of good is part of the comology the writer was trying to present in defence of a God accused of being the author of both good and evil. Evil exists. It's not the lack of something else. What time is the game??
“How do you explain the fact that if men couldn’t talk and write there would be no such thing as sin and the Bible?”
Ah okay.. I misunderstood your meaning.. And I totally agree that evil is not the lack of goodness alone and that evil exists and not the lack of goodness.. athough I do believe that there is an entity that exists that shouldn't be depicted as the opposite of God.. which would put it/him on the same level as God..the antithesis..but it/he would eptomize evil.. but mankind has the choice to do evil which unfortunately is man is 'bent'..
Hmmmmm ... when you find out how to become a "perputal student" and keep a roof over your head ... let me know.
Question your premise. Religion and transgression precede literacy, I'm afraid.
You guys STILL at it???? I'm impressed!
Worked every day through UG and grad school, except for my very last semester. Didn't have time or dough to be a perpetual student though. Wish I had. I'd have done a PhD. I rub academic folks thw wrong way somehow.
I don't know about perpetual student, but I do know some people who have made an art form out of being perpetual pains in the arse. hmmmmm.... I wonder if there's $$$$ in it??? =0)
Where's your sense of humor, jumior?
Now that is one thing I can say from first hand knowledge.. is that her sense of humor will run rings around most..
I like it, I like it a lot, and actually belief in an afterlife came before written language, so religion may be what started it off. Who knows, without religion, we might still be hunting and gathering in the plains of Africa....
Hey! I resemble that remark!!! I ain't THAT junior, you oldster you! And besides, i wasn't referring to you as a pain in the arse - I was referring to other persons I know. i.e. - making a bullshit comment Don't take things personally - had I meant to say something mean about you, I would have pinged you or called you a name outright. so chill! =0) no harm, no foul!
10-4, capps. You are a gentleman.
And a decent looking chick too.
Taking my name in vain again?
Not me, I gave up on religion and watched King Harold get dismembered at the battle of Hastings (not shot thru the eye with an arrow as the Bayeux tapestry said). Sword thru the chest/heart, then decapitation, then disemboweled, finally, legs cut off below the knee. Even then it was less bloody than most religious discussions.
*looks for missing genetalia*
weeelllll...................... no. =0) just certain people I know (including myself) who have turned being anass pain into high art. And I am only "DECENT" looking? YOU SUCK!!!
You know how to improve yer rating. ;)
My goodness! My bad today. You are of course a most worthy poster of the more esteemed gender.
Get a boob job???
Does that mean I can quit looking for missing appendages now????
Comments (167 - 185) not displayed.
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#127. To: Samuel Gray (#125)
#128. To: randge (#126)
Only a rebel thinker can face that.
#129. To: Samuel Gray (#125)
#130. To: 2Trievers (#129)
#131. To: 2Trievers (#128)
#132. To: Samuel Gray (#130)
#133. To: CAPPSMADNESS (#98)
#134. To: Samuel Gray (#130)
It's a roll of the die
It's a free lunch A free ride
The gift of life it's a shot in the dark
It's the call of the wild
It's the big wheel The big ride .............
#135. To: randge (#132)
#136. To: 2Trievers (#134)
gotta find you a New Hobby.
#137. To: Aric2000 (#133)
And until fundamentalists mature enough to make that realization, I will stomp on them whenever I run across them.
#138. To: randge (#131)
#139. To: All (#135)
#140. To: 2Trievers (#137)
#141. To: Samuel Gray (#136)
#142. To: 2Trievers (#141)
#143. To: Samuel Gray (#119)
#144. To: 2Trievers (#138)
#145. To: Zipporah (#143)
#146. To: Aric2000 (#140)
As some have said, respect someone who is searching for the truth, doubt those that claim they have found it.
#147. To: randge (#145)
By saying "evil is an entity" I didn't mean that it was a being like Satan.
#148. To: randge (#144)
#149. To: 2Trievers (#146)
#150. To: 2Trievers (#148)
#151. To: 2Trievers (#148)
#152. To: 2Trievers (#148)
when you find out how to become a "perputal student" and keep a roof over your head ... let me know.
#153. To: CAPPSMADNESS (#152)
#154. To: randge (#153)
Where's your sense of humor, jumior?
#155. To: 2Trievers (#146)
#156. To: randge (#153)
Where's your sense of humor, jumior?
#157. To: CAPPSMADNESS (#156)
#158. To: randge, CAPPSMADNESS (#157)
#159. To: CAPPSMADNESS (#156)
I was referring to other persons I know.
#160. To: CAPPSMADNESS (#150)
#161. To: randge (#157)
You are a gentleman.
#162. To: Samuel Gray (#159)
Taking my name in vain again?
#163. To: CAPPSMADNESS (#162)
And I am only "DECENT" looking?
#164. To: CAPPSMADNESS (#161)
#165. To: Samuel Gray (#163)
#166. To: randge (#164)
You are of course a most worthy poster of the more esteemed gender.
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