New Date on Sahelanthropus tchadensis and Australopithecus bahrelghazali (Afarensis) http://tinyurl.com/3dz6s3 6.8 - 7.2 Ma? What's new? It was thought to be...
45523
Don
shux2k
Mar 1, 2008 6:09 pm
Wow! That's a testy little exchange on that link. getting Toumai accepted as a hominid ancestor... indeed It's definitely within the reach of evolution for...
... EDAR (ectodysplasin A receptor) harboring an Asian-specific non-synonymous single nucleotide polymorphism (1540T/C, 370Val/Ala) ... associated with ...
45527
DDeden
alas_my_loves
Mar 2, 2008 7:48 am
http://scienceblogs.com/gnxp/2008/02/why_is_hair_kinky.php#more this stuff is too complex, requires good grasp of genetics....
45528
DDeden
alas_my_loves
Mar 2, 2008 8:37 am
... Still more: http://scienceblogs.com/gnxp/2008/02/selection_but_for_what.php and more on head lice: ANSWER: It is pretty evident that European colonists...
45529
Marc Verhaegen
aquape
Mar 2, 2008 8:49 am
... T.Weaver & C.Roseman 2008 EA "New developments in the genetic evidence for modern human origins" : "Evolutionary quantitative genetic analyses, in fact,...
45530
Marc Verhaegen
hydropith
Mar 2, 2008 8:51 am
Op 02-03-2008 09:37, DDeden <alas_my_loves@...> schreef: Thanks a lot, DD....
45531
DDeden
alas_my_loves
Mar 2, 2008 9:19 am
... non-synonymous ... geographic ... arose ... rapidly ... If they had both big hairs and fine underhairs, that would be cold adaptation, but only bigger...
45532
DDeden
alas_my_loves
Mar 2, 2008 9:30 am
... http://johnhawks.net/weblog/reviews/early_modern/africa/modern-human-origins-e ... evidence for ... cranium, ... flatter, ... chin, ... orbitae + more ... ...
45533
Marc Verhaegen
hydropith
Mar 2, 2008 9:31 am
O Krueger 2005 Evol.Ecol.19:467-486 The evolution of Reversed Sexual size Dimorphism in hawks, falcons and owls: a comparative study Many hypotheses have been...
45534
Marc Verhaegen
hydropith
Mar 2, 2008 9:38 am
C Ruff 2008 JHE 54:383-390 Femoral/humeral strength in early African Homo erectus Lower-to-upper limb-bone proportions give valuable clues to locomotor ...
45535
DDeden
alas_my_loves
Mar 2, 2008 9:38 am
Since they didn't provide an approximate date of the "recent" increase in hair thickness, it is possible that E. Asians that lived in Ural-Baikal moved to...
45536
bender_renato
Mar 2, 2008 9:50 am
Interesting, thanks Ddeden. RBender ... or ... cancer. ... conserved...
45537
Marc Verhaegen
hydropith
Mar 2, 2008 9:53 am
Op 02-03-2008 10:30, DDeden <alas_my_loves@...> schreef: http://johnhawks.net/weblog/reviews/early_modern/africa/modern-human-origins ...
45538
Marc Verhaegen
aquape
Mar 2, 2008 10:02 am
... Yes, DD, sorry, I misunderstood "thicker" = "denser". ... E.Asians are composed of southern & northern populations? SE.Asians split from Europeans c.50 ka?...
45539
m3dodds
Mar 2, 2008 11:10 am
... It does seem to be more about the inflated ego's of PAs than anything else. ... Agree. [quote] ...The radiochronological data concerning Sahelanthropus...
45540
Marc Verhaegen
aquape
Mar 2, 2008 11:57 am
... Thanks a lot, m3d. A-E Lebatard cs.2008 PNAS 10.1073/pnas.0708015105 open access Cosmogenic nuclide dating of Sahelanthropus tchadensis and...
45541
Marc Verhaegen
aquape
Mar 2, 2008 12:25 pm
... Fig.1+2: Both fossil seem to lay in argillaceous pelites? Abel ass.x fish cf.fig.2? What does "argillaceous pelites" imply? --Marc...
45542
m3dodds
Mar 2, 2008 1:18 pm
... argillaceous ... (containing clay, or clay like)and pelites(sedimentary rock, made of fine particles)... ancient river beds, lake shores, estuaries?...
45543
DDeden
alas_my_loves
Mar 2, 2008 2:00 pm
... mudstone (any diatoms found?) Pelite (Greek Pelos, Clay) is a descriptive name for a clastic rock with a grain size of less than 1/16mm (originally sand or...
45544
m3dodds
Mar 2, 2008 2:13 pm
... A clock is something that is supposed to be reasonably accurate... see: http://focus.aps.org/story/v20/st9 ... Simply walking on two legs(biped), does not...
45545
Marc Verhaegen
aquape
Mar 2, 2008 4:04 pm
... The word "clock" is not exact, but we know what it means. Like "AAT". ... Yes, but we don't even know whether Sahelanthr walked on 2 legs on dry ground....
45546
Marc Verhaegen
hydropith
Mar 2, 2008 4:08 pm
... Thanks, yes, but I'd like to see more specific correlations. Sahelanthr in Anthracotheriid Unit. Remakable this association of hominid fossils with...
45547
Marc Verhaegen
aquape
Mar 2, 2008 4:15 pm
... Yes, but not very near to the hominid fossils (Abel) here. Lakeside, but that's where fossilisation often occurs. Abel (fish) seems to be about as "wet" as...
45548
m3dodds
Mar 2, 2008 5:24 pm
... You may find this 2002 article(in Nature) of some interest ... as it gives some idea of the location in Chad where Toumai was found(including fauna and ...
45549
Elaine Morgan
oxwich_owl
Mar 2, 2008 6:04 pm
For what it's worth I came across this statistic (which I copied down in my unregenerate days before I learned to record sources. so it's not all that useful....
45550
Elaine Morgan
oxwich_owl
Mar 2, 2008 6:06 pm
... From: m3dodds To: AAT@yahoogroups.com Sent: Sunday, March 02, 2008 5:24 PM Subject: [SPAM][AAT] Re: Toumai ... A "new" date Read 2025! Elaine [Non-text...
45551
Gerard Michael Burns
gmichaelburns
Mar 2, 2008 7:05 pm
... "We are gathered around the sea like frogs around a pond." - Attributed to Socrates, said to be the inspiration for the play "The Frogs". ... Michael Burns...