Emerging Science Note/Portable Toxic Testing
Heavy metals can’t hide from a new pocket-tester, designed to measure levels of dangerous metals with just a prick of a finger or a drop of saliva. Living on Earth’s Margaret Rossano reports.
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!