Did you ever mix dirt and water when you were playing outside? You made a paint. Did you draw shapes on the ground with your muddy hands? You made a painting. Long ago, artists made their own paints ...

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 [email protected]. Did you ever mix dirt and water when you were ...

(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 ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Dawn Rogala, Smithsonian Institution and Gwénaëlle Kavich, Smithsonian Institution ...