A few strands of hair dating back 3,000 years, hidden in a corner of the island of Menorca, were enough to provide a group of researchers with the oldest direct evidence of the use of psychoactive substances in Europe.
A few strands of hair dating back 3,000 years, hidden in a corner of the island of Menorca, were enough to provide a group of researchers with the oldest direct evidence of the use of psychoactive substances in Europe.