Book excerpt: Tribology is a multidisciplinary science that encompasses mechanical engineering, materials science, surface engineering, lubricants, and additives chemistry with tremendous applications. Progress in Lubrication and Nano- and Biotribology discusses the latest in lubrication engineering and nano- and biotribology. This book: Discusses green tribology and snakeskin tribology Explains biogreases and nanolubricant additives Explores applications in aerospace, additively manufactured parts, and severe environments Written for researchers and advanced students, this book encompasses a wide-ranging view of the latest in nano- and biotribology for a variety of cross-disciplinary applications.