Wednesday, 13 October 2010

North African stone age tools 40,000 years earlier than thought

The "Aterian" stone tool technology and cultural group was originally thought to date to the period from 40,000 to 20,000 years before the present. However, more recent scientific technologies have been used to re-examine the stone tools and have pushed back the time horizon for this technology of stone tool making to a much older range: from 85,000 to 40,000 years of age.
This information come from F. Scott Crawford, editor and publisher of the monthly e-magazine "Arrowhead Collecting On The Web".

The full story is here:- http://ezinearticles.com/?What-Are-the-Aterian-Stone-Age-Tools-of-North-Africa?&id=2732444

2 comments:

  1. AGEN JUDI SLOT | SITUS JUDI SLOT | LIVE CASINO GAMES ONLINE

    vegasplay99 adalah sebuah situs judi online bola, slot dan casino terpercaya di Asia.
    Kami menyediakan tempat bermain terbaik bagi para pecinta judi online dalam melakukan taruhan.
    Semua permainan yang disediakan oleh Situs vegasplay99 ini merupakan permainan yang benar-benar aman dan juga bersih dari segala bentuk kecurangan,
    sehingga semua pemain tidak perlu ragu lagi untuk melakukan taruhannya.

    situs judi slot

    slot deposit pulsa

    judi deposit pulsa

    Deposit pulsa tanpa potongan

    ReplyDelete