Living On Earth travels to rural Vermont to meet a retired professor of government with some unorthodox ideas about crime. For the past six years, Roger Masters has been researching the link between heavy metal poisoning and violent crime. He is convinced he’s made important findings, but most scientists are skeptical.
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!