A volleyball-sized stalagmite taken from a cave in northern China has given scientists insight about how the region’s precipitation has varied — and possibly influenced the rise and fall of various dynasties — for the past 1,800 years.
A volleyball-sized stalagmite taken from a cave in northern China has given scientists insight about how the region’s precipitation has varied — and possibly influenced the rise and fall of various dynasties — for the past 1,800 years.