Lethal weapons may have given early humans edge over Neanderthals The stone blades would have allowed our ancestors to attack Neanderthals – and other humans – from a greater distance and with more devastating effect. Discovery of sharpened stone blades up to 71,000 years old suggests humans leaving Africa were armed to the teeth 7 November 2012 http://www.guardian.co.uk/science/2012/nov/07/lethal-weapons-early-humans-neanderthals [with comments]
Early Humans Handed Down Toolmaking Tech Digging into the past. Researchers excavate a cave at Pinnacle Point in South Africa (left). These miniature stone blades, which have been blunted on one side, would've been used to make arrows or other projectiles (right). 7 November 2012 http://news.sciencemag.org/sciencenow/2012/11/early-humans-handed-down-toolmak.html [no comments yet]