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Messages 31385 - 31414 of 36149   Oldest  |  < Older  |  Newer >  |  Newest
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31385
Hi Anne: Perhaps some genetic detective work might indicate how long ago a constellation of genetic mutations came about in the FOXP2 gene (Molecular evolution...
Jack Kilmon
jkilmon_2000
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Feb 1, 2008
3:51 pm
31386
... Anne, I would also distinguish between the insulating properties of a fur coat, which can to some degree control heat absorption (and loss) with a layer of...
rmacfarl2003
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Feb 1, 2008
9:45 pm
31387
Jack: It's my belief that much of what we consider to be "quintessentially human" started to emerge at the very least at the time of H.erectus. It may have...
Anne Gilbert
shanidar9
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Feb 2, 2008
5:05 am
31388
Ross: It's certainly true that the darkest-skinned people live or originally come from areas that are, relatively speaking, close to the equator(and are hot...
Anne Gilbert
shanidar9
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Feb 2, 2008
5:13 am
31389
Hi Anne: I have an early Acheulian hand chopper in my collection attributed to Homo ergaster. Ergaster may be the same as habilis (once classified...
Jack Kilmon
jkilmon_2000
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Feb 2, 2008
7:59 pm
31390
Jack: According to Bednarik, there is plenty of evidence of symbolic behavior by H.erectus(or whatever) during the Lower Paleolithic. However, much of what...
Anne Gilbert
shanidar9
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Feb 2, 2008
9:14 pm
31391
Odd thing though, the asssociation of skin colour with sun. The darkest people I know, in fact the only genuinely black people I know (as opposed to the dark...
Paul Finlow-Bates
unecungga
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Feb 4, 2008
9:18 am
31392
Anne and all, If I understand it correcty, the rays of the sun that cause cancer and sunburn are not deflected by clouds, so theoreticly even on a cloudy day a...
Elena Vaccaro
earthandice
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Feb 4, 2008
5:06 pm
31393
Paul: Interesting observation. But it's still my understanding that "darker" skins tend to cluster around the Equator, whereas "lighter" skins are farther...
Anne Gilbert
shanidar9
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Feb 4, 2008
9:11 pm
31394
Elena: As I think I mentioned earlier, I became painfully aware of this fact when I lived in Texas, and one fine "partly-cloudy" day in June, I became visibly...
Anne Gilbert
shanidar9
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Feb 4, 2008
9:16 pm
31395
Did I not read, here or on Palanth, that there was a colour cline in Australia, with lighter skin to the south? Maybe the lach of such a cline in smaller...
Carel Goodheir
potatodesk106
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Feb 4, 2008
11:08 pm
31396
... You can get a sunburn when you least expect it. Once upon a time I had a girlfriend from Jamaica, -mixed ancestry, but a lot of African. She got her first...
Torfinn Ørmen
torfinnoe
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Feb 4, 2008
11:49 pm
31397
"Scattered families" does not automatically specify monogamy. The only family that can be firmly established is mother-child for pre-historic humans. I think...
Dale Hoogeveen
iaafoyi
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Feb 5, 2008
1:04 am
31398
Bit hard to be sure of original colour distribution in Australia, I would have thought. Certainly some central and northern people can be very dark - but the...
Paul Finlow-Bates
unecungga
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Feb 5, 2008
9:16 am
31399
Hi Paul, I suspect you are correct about how tentative color variation was among the original Australians. There definitely isn't enough latitude spread there...
Dale Hoogeveen
iaafoyi
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Feb 5, 2008
1:46 pm
31400
"Scattered families" does not automatically specify monogamy. The only family that can be firmly established is mother-child for pre-historic humans. When I...
Dale Hoogeveen
iaafoyi
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Feb 5, 2008
2:12 pm
31401
I don't agree that diversity and denser populations are condusive to monogamy nor that multiple sexual partners insures diversity in small populations. All...
Jack Kilmon
jkilmon_2000
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Feb 5, 2008
3:24 pm
31402
... Me, I would guess that economic considerations and predation drive choice of monogamy or harems. David Snow in _The Web of Adaptation_, details behaviour...
John Wilson
jgissw2006
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Feb 5, 2008
4:38 pm
31403
Carel: It's possible you heard or read it somewhere. C.L. Brace claimed there was such a "color cline" in Australia. But bear in mind that Papua-NG is a lot...
Anne Gilbert
shanidar9
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Feb 6, 2008
12:17 am
31404
Torfinn: Was she near water at the time? The only time I've ever gotten a "serious" sunburn in the Seattle area is when I've been where sunlight is reflected...
Anne Gilbert
shanidar9
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Feb 6, 2008
12:19 am
31405
Re Truganini and other Tasmanians photographed in the 19th Century: Not only are photos from that era black and white, but they aren't panchromatic, either....
Dave Timpe
dptimpe
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Feb 6, 2008
3:39 am
31406
Anne I don't remember which yahoogroup this came up but I do remember the context. And it was either Loring-Brace himself or someone referring to what he'd...
Carel Goodheir
potatodesk106
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Feb 6, 2008
11:44 am
31407
Jack, I think a closer look at the wolf analog is in order. In wolves, it is restricted alpha-only breeding and is actually enforced on beta females by the...
Dale Hoogeveen
iaafoyi
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Feb 6, 2008
10:01 pm
31408
... John, I would say that description is more adaptable to recent times and recent densities than the original conditions that saw the first humans and...
Dale Hoogeveen
iaafoyi
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Feb 6, 2008
10:04 pm
31409
Dave, You ought to try photographing purple flowers even with modern color film. You almost never get true color representations of your various varieties,...
Dale Hoogeveen
iaafoyi
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Feb 6, 2008
10:10 pm
31410
... <carel.goodheir@...> wrote: snip ... If one validates easy transference of a wide spread skin color pattern as a consolidated genetic trait, then one also...
Dale Hoogeveen
iaafoyi
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Feb 6, 2008
10:23 pm
31411
Well, the dyes aren't perfect (especially the cyan and magenta), but neither are the phosphors, LEDs, LCDs, and other means of generating an image on computer...
Dave Timpe
dptimpe
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Feb 7, 2008
1:45 am
31412
Carel: Yes, C.L. Brace actually proposed that Neandertals had light skin, hair, and eyes, which now seems to be borne out by various lines of "genetic"...
Anne Gilbert
shanidar9
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Feb 7, 2008
4:31 am
31413
Dale: The situation with wolves(and other members of the genus Canis as well) is a bit more complicated than that. It's true that there is only one "alpha...
Anne Gilbert
shanidar9
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Feb 7, 2008
4:43 am
31414
Bloglines user AnneGilbert (avgilbert@...) has sent this item to you, with the following personal message: All: There is a very intriguing-sounding...
avgilbert@...
shanidar9
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Feb 7, 2008
10:06 pm
Messages 31385 - 31414 of 36149   Oldest  |  < Older  |  Newer >  |  Newest
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