The NPR show "The Indicator" also had an interview: https://www.npr.org/2022/01/12/1072557499/what-nails-can-tell-us-about-the-economy https://www.npr.org/2022

The NPR show "The Indicator" also had an interview: https://www.npr.org/2022/01/12/1072557499/what-nails-can-tell-us-about-the-economy https://www.npr.org/2022/01/12/1072557499/what-nails-can-tel...