Mutant Fish

The World

A harbor off of Cape Cod, Massachusetts is so polluted with PCBs, it’s been declared a Superfund site. That’s not unusual in this day and age. But what is extraordinary is the fact that one type of fish in the harbor has mutated in response to the pollution.

Invest in independent global news

The World is an independent newsroom. We’re not funded by billionaires; instead, we rely on readers and listeners like you. As a listener, you’re a crucial part of our team and our global community. Your support is vital to running our nonprofit newsroom, and we can’t do this work without you. Will you support The World with a gift today? Donations made between now and Dec. 31 will be matched 1:1. Thanks for investing in our work!