The endangered South African cycad Encephalartos horridus may resemble a relic from the Jurassic age, but the species itself ...

At night, the blue light from your phone can trick your brain into thinking it's still daytime. But is shifting to red light ...

Therefore, blue light has a stronger effect on our eyes than any other color. Our eyes aren’t able to block blue light, so it can easily pass through our cornea and reach the retina.

If you’ve scrolled through social media lately, you’ve probably noticed something twinkling in the background of countless ...

Newton noticed that on top of the thin bubble illuminated by white sky light a black spot is formed; with increase of thickness downward from this point on all sides, a red band next appears, then ...