Health & Beauty

Biodegradable Toothbrush

Intro: The Problem with Plastic Toothbrushes Throughout history, we humans have tried all manner of materials to manage the funk that lives inside our mouths—from cloth wipes, salt, chalk, sticks, and crushed shells, to animal bones, boar’s hair, bird feathers, vinegar, and even nitric acid. Our earliest prototype, from 15th century China, was in fact… Read More Biodegradable Toothbrush