In some Canadian lakes, the water has been turning into a creepy jelly-like consistency, baffling swimmers and locals alike. The find prompted researchers at Cambridge University to investigate the cause, and in a recently released study, scientists concluded the nasty occurrence is our fault. Specifically, it's acid rain that's choking off calciumand causing some organisms to struggle to survive,the report said. Among those plankton is Daphnia, which relies on high levels of calcium in the water to thrive, Phys.org reported....