Earliest city in China; later emergence of Bering Land Bridge; large role of megafauna in South American Ice Age diets; how Bronze Age cities in Turkey adapted to drought

China’s earliest known urban society identified

New timeline proposed for emergence of Bering Land Bridge [Alternate Link] 

Now-extinct megafauna were a key part of human Ice Age diets [Alternate Link]

Archaeologists investigate impact of climate change on Bronze Age societies and agriculture [Alternate Link]