We wash with soap several times every day, but how does it get us clean?
Soap has been used for centuries worldwide and is key to health and hygiene. But how exactly does soap work? What is in it, and how do the ingredients come together to make something that can remove dirt and bacteria yet also be safe for our skin?
How and Why Soap Works explores the science behind this everyday substance. With hands-on demonstrations to try at home you can:
- Explore the history of soaps and the science behind how they work
- Uncover basic concepts across chemistry and materials science
- Learn to develop and test your own scientific questions
Along the way, journey through history, medicine, psychology, toxicology, and sustainability to discover that soap is more than just a cleanser. It’s an ancient innovation and an everyday material that shapes how we move through time and space.
Payez facilement par carte, Klarna, Apple Pay ou Google Pay. Pas satisfait ? Vous avez toujours une garantie de remboursement de 14 jours. En savoir plus dans nos conditions. Si vous avez des questions, envoyez-nous un e-mail à hello@memmo.org.
Memmo facilite tes études, où que tu sois dans le monde. On rassemble tes manuels de cours et des outils d'étude intelligents au même endroit : résumés, quiz, podcasts et flashcards. Et il y a Ted, ton compagnon d'étude qui répond à toutes tes questions. Plus de 50 000 étudiants étudient déjà ici – conçu pour t'aider à apprendre plus vite et à moins stresser.