Wastewater: Resource or Plague?

(version en Español) It’s one thing to watch a scientific presentation about untreated wastewater from Mexico City, which is used to irrigate crops in a 400-square-mile valley north of the city. It’s another to stand beside a canal in that valley and inhale the stench of thousands of gallons of untreated wastewater as they gush…

Arsenic and Old Mines

When I first found out I would be spending my summer researching arsenic contamination in Thailand, I couldn’t help but think of the 1940’s classic film, “Arsenic and Old Lace,” which was my first introduction to arsenic and its poisonous characteristics. In the dark comedy, Cary Grant’s character discovers his two sweet elderly aunts are…