Pumpkin Spring is a geological oddity is a lim...  ...p, but that which remains has a deadly mixture of arsenic , copper, zinc and lead. It's dangerous, but beaut...

Arsenic in water can be caused by human pollution or by n...  ...nvenient solution by turning plastic bottles into arsenic magnets. "Dealing with arsenic contamination of drinking water in the developin...  ...supplements and foods -- and stir the plastic in *strong class...