Category: Science

Education Health Science

What colors are we not able to see?

What colors are we not able to see? Humans cannot see ultraviolet and infrared colors because these wavelengths fall outside the visible spectrum. The visible spectrum ranges from about 380 to 750 nanometers, which includes all the colors we can perceive with the naked eye. What is the Visible Spectrum? The visible spectrum is the […]

Environment Nature Science

How do sunsets get their colors?

Sunsets captivate us with their stunning displays of color, ranging from deep oranges to soft pinks and purples. These mesmerizing hues result from the scattering of sunlight by the atmosphere. As the sun sets, its light travels through a thicker layer of the atmosphere, scattering shorter blue wavelengths and allowing the longer red and orange […]

Health Lifestyle Science

What does yellow phlegm mean?

Yellow phlegm often indicates that your body is fighting off an infection. When your immune system responds to an illness, such as a cold or sinus infection, it sends white blood cells to the affected area, which can give your mucus a yellow hue. While yellow phlegm is usually not a cause for immediate concern, […]

Back To Top