All Tjaark Siemssen articles

  • Low-Res_Siemssen_PressReleasePhoto_2026-03-03
    News

    Neanderthals may have used birch tar for its anti-bacterial properties

    2026-03-19T14:25:00Z

    Scientists extracted tar from modern birch tree bark, specifically targeting species known from Neanderthal sites. When exposed to different strains of bacteria, all tar samples were found to be effective at hindering the growth of Staphylococcus bacteria known to cause wound infections.