https://www.usefulscience.org/podcast/43The average person eats at least 50,000 microplastics a year, and inhales a similar amount. Microplastics have been found in every part of our digestive tract, and are deleterious to the liver and gut. There is good news, however: researchers at Penn State are working on eco-friendly and biodegradable substitutes. They're made from squid teeth.Music by Solomon Krause-Imlach.Follow us @usefulsci or email us at podcast@usefulscience.org.Show NotesSquid-Inspired Tandem Repeat Proteins: Functional Fibers and FilmsHuman Consumption of MicroplasticsPlastic and Human Health: A Micro Issue?