Explained: Seeds, preserved hair in tomb point to oldest signs of cannabis high 2,800 years ago, study suggests

A new study suggests people were using cannabis for psychoactive purposes at least 2,800 years ago

Scythians

Ancient nomads who migrated from Central Asia to southern Russia and Ukraine

Radiocarbon dating

A method used to determine the age of ancient materials, applied here to seeds

Forensic toxicology

The scientific analysis of substances like drugs in biological samples, such as hair