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Thread: Tooth Chemistry Confirms Early Homo Loved Meat page

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    Lewis's Avatar
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    Tooth Chemistry Confirms Early Homo Loved Meat

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    This story has been kicking around for a few days already, but here's quite a nice take on it with some nice linked sources:

    Tooth Chemistry Confirms Early Homo Loved Meat | Hominid Hunting

    Takeaway:

    ... these results suggest earlier hominids were generalists, and then around two million years ago, they began to specialize more. The addition of meat in Homo‘s diet may have allowed our ancestors to evolve big brains, which require a lot of energy to support.

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    Alex Good's Avatar
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    Homos these days love meat too.
    In all of the universe there is only one person with your exact charateristics. Just like there is only one person with everybody else's characteristics. Effectively, your uniqueness makes you pretty average.

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    Lewis's Avatar
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    Good grief, Alex. This is a family site.

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    Thanks for posting this link. After almost getting brainwashed by vegans.. its good to be back with scientific back up.

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    Alex Good's Avatar
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    Quote Originally Posted by Lewis View Post
    Good grief, Alex. This is a family site.
    Why whatever do you mean?
    In all of the universe there is only one person with your exact charateristics. Just like there is only one person with everybody else's characteristics. Effectively, your uniqueness makes you pretty average.

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    You used the word sex...

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    Seems like he loved grains too:
    Archaeology | News & Events | University of Calgary

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    Quote Originally Posted by KathyH View Post
    From the first study:

    "Looking at these isotope ratios, a clear pattern emerged. Meat was a large component of Homo‘s diet whereas plants were a big part of P. robustus‘ diet. These results are in line with previous studies. A. africanus ate both types of food. The researchers speculate the species probably ate a lot of “woody” plants (fruits and leaves, not grasses) during certain seasons and meat during other times of the year, although they can’t say which foods were eaten during which seasons."

    Then from Kathy's:

    "Julio Mercader, holder of the Canada Research Chair in Tropical Archaeology in the U of C's Department of Archaeology, recovered dozens of stone tools from a deep cave in Mozambique showing that wild sorghum, the ancestor of the chief cereal consumed today in sub-Saharan Africa for flours, breads, porridges and alcoholic beverages, was in Homo sapiens' pantry along with the African wine palm, the false banana, pigeon peas, wild oranges and the African "potato." This is the earliest direct evidence of humans using pre-domesticated cereals anywhere in the world."


    The one on teeth is actually about 3 years newer. Evidence wise how do they assure themselves that these stone tools were used for what they think they were? I suppose that for me jaw structure and tooth shape along with biochemical measurements (isotope ratios and such) to understand their diet seems a bit more plausible than guessing what they used certain rocks for. Could be interesting if someone has access to the full study.

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    Quote Originally Posted by Neckhammer View Post
    From the first study:

    "Looking at these isotope ratios, a clear pattern emerged. Meat was a large component of Homo‘s diet whereas plants were a big part of P. robustus‘ diet. These results are in line with previous studies. A. africanus ate both types of food. The researchers speculate the species probably ate a lot of “woody” plants (fruits and leaves, not grasses) during certain seasons and meat during other times of the year, although they can’t say which foods were eaten during which seasons."

    Then from Kathy's:

    "Julio Mercader, holder of the Canada Research Chair in Tropical Archaeology in the U of C's Department of Archaeology, recovered dozens of stone tools from a deep cave in Mozambique showing that wild sorghum, the ancestor of the chief cereal consumed today in sub-Saharan Africa for flours, breads, porridges and alcoholic beverages, was in Homo sapiens' pantry along with the African wine palm, the false banana, pigeon peas, wild oranges and the African "potato." This is the earliest direct evidence of humans using pre-domesticated cereals anywhere in the world."


    The one on teeth is actually about 3 years newer. Evidence wise how do they assure themselves that these stone tools were used for what they think they were? I suppose that for me jaw structure and tooth shape along with biochemical measurements (isotope ratios and such) to understand their diet seems a bit more plausible than guessing what they used certain rocks for. Could be interesting if someone has access to the full study.
    Starch grains found on Neandertal teeth debunks theory that dietary deficiencies caused their extinction*|*Smithsonian Science

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