Named after the 19th-century British physicist Lord Rayleigh, this scattering is more effective for shorter wavelengths of light—like blue—than for longer ones, such as red. As a result, the ...

Is this growing wellness trend the holy grail of holistic health remedies, or is it a scam? I took a deep dive to find out.

Imagine the world’s oceans with their beautiful blue color. Now, imagine that the same oceans were green. This is the intriguing possibility suggested by new research from Nagoya University in Japan.

You might think that explaining why the sky is blue would be kind of simple. But even a brief explanation of it requires a lot of science. The colors of everything you see are produced in ...