As we look ahead to the new year, your support makes all the difference. Make a donation today to help us continue bringing science to life for millions of readers.

Did you know that the world around us is filled with different types of light waves ? From the warm glow of the sun to audible radio waves and invisible gamma rays, electromagnetic waves (action ...

While there are only two types of light to measure (incident ... here are the three different light meters you will want to ...

Carry a compass to figure out where the sun will rise and set, and imagine how the place would look in different kinds of light. This can take some practice because you also have to look at where ...

As you may already know (perhaps through personal experience!), many people with lupus are sensitive to light. This is a condition known as photosensitivity. Different kinds of light have different ...