Pink dye used to track pollution, currents, at California beach

Santa Monica Beach getting a temporary makeover today with the water. That's not your eyes deceiving you. That's not your phone or your TV. That's pink. It's turning pink in the name of science.Researchers spread some of this dye. They say it's non-toxic in the ocean to study water quality, currents. The pigment washed away after just a few hours, but it's going to be back next week.They're adding more pink dye as this project continues. It's rather Barbie-esque there outside. ...