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]. Why is the sky blue? – Mariana A-E., age 11, ...

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 ...

It’s a simple question and one of the first often asked by inquisitive children: Why is the sky blue? The complex answer to this seemingly straightforward inquiry was explained by one of the most ...