Flow
Tomb in Siberia reveals humans were using cannabis 2800 years ago | New Scientist — Flow — 10 November 2026
3 November 2026 — 10 November 2026 · Issue №16
By the numbers
Pierrot's column
Human history leaves physical and structural footprints, from 2,800-year-old Siberian hair revealing ancient psychoactive practices to Soviet film posters and forgotten urban Lenin monuments. These physical artifacts anchor our cultural memory, reflecting how tools, rituals, and environments shape human behavior across centuries.
Modern tools shift our relationship with time and focus. Traditional task management systems give way to intelligent personal infrastructure, where autonomous assistants handle context, projects, and execution. Low-cost artificial intelligence fundamentally alters development speed, collapsing years of technical effort into hours of direct creative agency.
Lead story
Tomb in Siberia reveals humans were using cannabis 2800 years ago | New Scientist
8 November 2026, 14:35 UTC
Siberian grass!
In the Siberian burial mound Tunnug-1 (Uyuk Valley), archaeologists from the University of Bern led by Gino Caspari discovered a lock of hair and around 1,000 cannabis seeds about 2,800 years old (8th century BCE), belonging to the Scythian era.
Key facts of the study:
The earliest direct evidence:
Chemical analysis of the hair revealed traces of THC and cannabinol. This pushes back the confirmed use of marijuana as a psychoactive substance by humans by 300 years (previously it was thought to be ~2,500 years ago in China).
Purposes of use:
Scientists link the find to funerary rituals. Given the remains of sacrificed horses and people found in the mound, marijuana may have been used not only for religious trance but also as a sedative for the victims before the ritual.
Context:
Although the domestication of cannabis began around 12,000 years ago in China, direct biological evidence of the use of its psychoactive properties in the bodies of ancient people has been obtained for the first time for this period.
The Tunnug-1 mound (also known as Arzhan-0) is located in the Republic of Tyva (Russia), in southern Siberia.
Geographic details:
Location:
Piy-Khem kozhuun (district), in the interfluve of the Uyuk and Tunnug rivers.
Region:
The Uyuk Basin — this area is widely known among archaeologists as the "Tuvan Valley of the Kings" due to the large concentration of elite Scythian burial mounds.
Feature:
Unlike most neighboring mounds, built on high river terraces, Tunnug-1 is located directly in a swampy floodplain. Thanks to permafrost and the marshy soil, organic matter is excellently preserved there — including wood, textiles, seeds and the hair itself.
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Sources
| Source | Item | Original date | In the stream |
|---|---|---|---|
| Anton Merkurov | Krasnopevtsev / Fedorov — Film Posters. Reklamfilm. 1953–1972 | not stated | 7 Nov |
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