Orca whales were discovered with a toilet paper chemical in their livers and skeletal muscles. It's just the 'tip of the iceberg' for one of the most contaminated marine mammals in the world.

(February 05 00:08) Businessinsider.sg

The contaminants add to a long list of chemicals found in Southern Resident and Bigg's orcas, both of which are at risk of extinction.

You can find the original article here