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This year in the 2017 Hydrodynamics season, we are trying to fix a problem of high concentration levels of arsenic in worldwide water. Arsenic is a very poisonous chemical sometimes found in water sources such as streams, lakes, ponds, and rivers. It is so destructive that it even can kill you if you drank water with a arsenic concentration higher than 10ppb (parts per billion). But no need to worry! The LEGOnauts are here to save the day by making people aware of how dangerous Arsenic can be and help in develop easier methods to detect arsenic concentrations in the water.