Ban Chiang, Northeast Thailand, Volume 2A: Background to the Study of the Metal Remains 2018 Ban Chiang, Northeast Thailand, Volume 2B: Metals and Related Evidence from Ban Chiang, Ban Tong, Ban Phak ...

A shorter version of this story appears in the September 2016 issue of National Geographic magazine. As a biomolecular archaeologist at the University of Pennsylvania Museum of Archaeology and ...