Day archives: April 18th, 2024

Removing PFAS from public water systems will cost billions and take time

PFAS – perfluoroalkyl and polyfluoroalkyl substances – are now either suspected or known to contribute to thyroid disease, elevated cholesterol, liver damage and cancer, among other health issues. Dr. Kyle Doudrick’s team at the University of Notre Dame works on solving problems involving contaminants in water systems, including PFAS. We explore new technologies to remove PFAS from drinking water and to handle the PFAS waste. Here’s a glimpse of the magnitude of the challenge and ways you can reduce PFAS in your own drinking water.

Subjects: Energy, Environmental Law, Government Resources, Healthcare

AI chatbots refuse to produce ‘controversial’ output − why that’s a free speech problem

Jordi Calvet-Bademunt and Jacob Mchangama are policy researchers who study free speech, as well as executive director and a research fellow at The Future of Free Speech, an independent, nonpartisan think tank based at Vanderbilt University. In a recent report, they found that generative AI has important shortcomings regarding freedom of expression and access to information.

Subjects: AI, Education, Free Speech