Lighting has a powerful effect on our circadian rhythms, mood, and overall quality of sleep. As more people become aware of how their environment affects rest, a common question arises: what is the ...

Join hosts Evie and Garrett as they learn more about light and color! Light is energy. It illuminates and colors our world, but there is more to light and color than the eye can see. Science Trek ...

Certain types of light can affect your mood and quality of sleep. Red light may help, while blue light from phones or screens could interfere with falling asleep or the quality of your rest. You may ...

How does color work, and how does the type of light source you use affect the colors you see? Appliance Science looks at the science of light and color. Richard Baguley Richard Baguley has been ...

Can color affect the way we feel? Scientists say yes. Learn why McDonald’s uses yellow in its packaging and why stop signs are red. Science Trek is available to stream on pbs.org and the free PBS App, ...