Soap is something that each of us uses every day, when we wash our hands or dishes or take a bath, and yet few of us think about how soap actually works. Cleaning with water can’t always clean grease ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. How does soap clean our bodies? – Charlie H., ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...