LA HERRAMIENTA DE PIEDRA MÁS ANTIGUA DEL MUNDO http://t.co/4REHdC7fo1
World's oldest stone tools, 3.3m yrs old http://t.co/mUs2Xo6JGd story frm April, paper now up http://t.co/1OayiZnSd3 http://t.co/jtRB4qCnfy
World's oldest stone tools, 3.3m yrs old http://t.co/mUs2Xo6JGd story frm April, paper now up http://t.co/1OayiZnSd3 http://t.co/jtRB4qCnfy
World's oldest stone tools, 3.3m yrs old http://t.co/mUs2Xo6JGd story frm April, paper now up http://t.co/1OayiZnSd3 http://t.co/jtRB4qCnfy
3.3-million-year-old stone tools from Lomekwi 3, West Turkana, Kenya http://t.co/mMT56TIZcJ
World's oldest stone tools, 3.3m yrs old http://t.co/mUs2Xo6JGd story frm April, paper now up http://t.co/1OayiZnSd3 http://t.co/jtRB4qCnfy
World's oldest stone tools, 3.3m yrs old http://t.co/mUs2Xo6JGd story frm April, paper now up http://t.co/1OayiZnSd3 http://t.co/jtRB4qCnfy
World's oldest stone tools, 3.3m yrs old http://t.co/mUs2Xo6JGd story frm April, paper now up http://t.co/1OayiZnSd3 http://t.co/jtRB4qCnfy
World's oldest stone tools, 3.3m yrs old http://t.co/mUs2Xo6JGd story frm April, paper now up http://t.co/1OayiZnSd3 http://t.co/jtRB4qCnfy
World's oldest stone tools, 3.3m yrs old http://t.co/mUs2Xo6JGd story frm April, paper now up http://t.co/1OayiZnSd3 http://t.co/jtRB4qCnfy
World's oldest stone tools, 3.3m yrs old http://t.co/mUs2Xo6JGd story frm April, paper now up http://t.co/1OayiZnSd3 http://t.co/jtRB4qCnfy
World's oldest stone tools, 3.3m yrs old http://t.co/mUs2Xo6JGd story frm April, paper now up http://t.co/1OayiZnSd3 http://t.co/jtRB4qCnfy
World's oldest stone tools, 3.3m yrs old http://t.co/mUs2Xo6JGd story frm April, paper now up http://t.co/1OayiZnSd3 http://t.co/jtRB4qCnfy
World's oldest stone tools, 3.3m yrs old http://t.co/mUs2Xo6JGd story frm April, paper now up http://t.co/1OayiZnSd3 http://t.co/jtRB4qCnfy
World's oldest stone tools, 3.3m yrs old http://t.co/mUs2Xo6JGd story frm April, paper now up http://t.co/1OayiZnSd3 http://t.co/jtRB4qCnfy
World's oldest stone tools, 3.3m yrs old http://t.co/mUs2Xo6JGd story frm April, paper now up http://t.co/1OayiZnSd3 http://t.co/jtRB4qCnfy
Stone tool discovery pushes back dawn of culture by 700,000 years http://t.co/WwrDfbym78 #archaeology #anthropology • http://t.co/P6bi8ywVYo