HumansVast Bronze Age city discovered in the plains of Kazakhstan A major settlement in Central Asia called Semiyarka dating back to 1600 BC had houses, a big central building and even an industrial zone for producing copper and bronze News
HumansBoy's body was mummified and turned green by a copper coffin The green mummified remains of a teenager buried in Italy 200 to 400 years ago have given us new insights into the preservative properties of copper News