BCE

In China’s Yellow River Basin, mercury in human bones spiked during the period from 200 BCE to about 900 CE, dating from the Han dynasty to the Sui–Tang dynasties. The high mercury content in archaeological remains reflects popular use of cinnabar—mineralized mercury sulfide— in art and medicine.

Carbon-14 dating unlocks ancient Jerusalem’s water secret: monumental Siloam Dam was built in 800 BCE to face a climate crisis - EurekAlert!

Domestication of Modern Horse Didn’t Occur before 2,700 BCE, DNA Study Suggests

Study: Chickens Were Widely Raised across Southern Central Asia as Early as 400 BCE

Condor Array Telescope confirms Chinese astrology records of 'new star' spotted in 77 BCE