Curious Kids[1] is a series for children of all ages. If you have a question you’d like an expert to answer, send it to This email address is being protected from spambots. You need JavaScript enabled to view it.[2].How does soap clean our bodies? – Charlie H., age 8, Stamford, Connecticut Thousands of years ago, our ancestors discovered something that would clean their bodies and clothes.
Curious Kids[1] is a series for children of all ages. If you have a question you’d like an expert to answer, send it to...