Drug use in the ancient world, and what will happen to plants as carbon dioxide levels increase

Drug use in the ancient world, and what will happen to plants as carbon dioxide levels increase

1 0 10 months ago
Armed with new data, archaeologists are revealing that mind-altering drugs were present at the dawn of the first complex societies some 5000 years ago in the ancient Middle East. Contributing writer Andrew Lawler joins Sarah Crespi to discuss the evidence for these drugs and how they might have impacted early societies and beliefs.

Sarah also interviews Sarah Hobbie of the University of Minnesota about the fate of plants under climate change. Will all that extra carbon dioxide in the air be ... See More

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