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Glue? It's not exactly new...

  • 12-05-2009 2:13am
    #1
    Galvasean
    Registered Users, Registered Users 2 Posts: 30,746 ✭✭✭✭


    Proof that cave people were smarter than previously imagined. The first steps toward modern chemistry were taken some 70,000 years ago.
    National Geographic wrote:
    Stone Age humans were adept chemists who whipped up a sophisticated kind of natural glue, a new study says.

    They knowingly tweaked the chemical and physical properties of an iron-containing pigment known as red ochre with the gum of acacia trees to create adhesives for their shafted tools.

    Read more here.

    090511-stone-age-glue_big.jpg
    Photo by Lyn Wadley
    Tagged:


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