By Jonathan O’Callaghan from NYT Science https://ift.tt/cS8ridg via IFTTT
Were the ancient Maya an agricultural cautionary tale? Maybe not, new study suggests
Maya had extensive systems of sophisticated irrigation and terracing
More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=304105&WT.mc_id=USNSF_1
This is a Research News item.
Read more at nsf.gov
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