AdvertisementEarwax From Whales Keeps Record Of Ocean ContaminantsSeptember 16, 2013Rhitu ChatterjeefacebookEmailA blue whale (and human diver) swimming off the coast of Trincomalee, Sri Lanka, in April 2011. (Barcroft Media/Landov)
A blue whale (and human diver) swimming off the coast of Trincomalee, Sri Lanka, in April 2011. (Barcroft Media/Landov)