Water is everywhere. It covers over 70% of the Earth’s surface, and it’s an essential component of life. It’s in the air we breathe, the food we eat, and the beverages we drink. We all know what water ...

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 water wet? – Philip S., age 12, ...

Spring is often a rainy season. If you get caught in a downpour without an umbrella, you will quickly learn what it means to be wet. But what is it about water that makes it wet? I am an atmospheric ...