https://www.businesstimes.com.sg/companies-markets/energy-commodities/corn-cash-brazils-bartering-farmers-raise-risks-canadas
[WINNIPEG, Manitoba] Taking a page from its aggressive growth strategy in the United States, cash-rich Canadian fertilizer giant Nutrien Ltd plans to plow...
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https://pubmed.ncbi.nlm.nih.gov/33423623/
The token exchange paradigm shows that monkeys and great apes are able to use objects as symbolic tools to request specific food rewards. Such studies provide...
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