Starting small but adding up: a free maths archive

  title={Starting small but adding up: a free maths archive},
  author={Jascha Hoffman},
Drinking water in Myanmar’s Irrawaddy delta may be contaminated with high levels of arsenic, a geological map suggests. Arsenic contamination is a serious problem in several regions of south Asia, most notably Bangladesh, where half of the country’s wells may be polluted. Long-term exposure to arsenic can cause skin lesions and cancer. A new map of southeast Asia by geologist Michael Berg, of the Swiss Federal Institute of Aquatic Science and Technology in Dübendorf, and his colleagues shows… CONTINUE READING


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