The detection of the cosmogenic isotope aluminum-26; the concentrations of nickel, cobalt, germanium and gallium; and the presence of two minerals called...
An international team of archaeologists has excavated and examined 8,000-year-old projectile points (spear- and arrowheads) at two sites in Yemen and Oman....
Archaeologists have found over a hundred bone arrow points at the Pleistocene cave site of Fa-Hien Lena in Sri Lanka. The artifacts were used to hunt tree-dwelling...