Main content
Are these the world鈥檚 first pot smokers?
Elevated THC levels in cannabis residue from burnt ancient Chinese bowls may be particularly significant according to ethnobotanist Robert Spengler. Was marijuana smoked as a part of funeral rites? This discovery in a graveyard suggests it may have been the case.
(Photo: Cannabis marijuana plants, Credit: 成人快手)
Duration:
This clip is from
More clips from Science In Action
-
![]()
Libanoculex Intermedius—Can carbon capture live up to its hype?
Duration: 00:52
-
![]()
How 'viral sex' in bats can create new hybrid Sars viruses
Duration: 06:05
-
![]()
HIV: The dangers of hidden viruses - and how to find them
Duration: 05:23
