Grist1d
2 obscure clean energy metals are caught in the crosshairs of the US-China trade war
After a Chinese export ban, can America get gallium and germanium from Canada — or will tariffs get in the way?
Armed robbery in Revesby1d
March 2025 Total Lunar Eclipse: Key Facts
The Moon will pass into Earth's shadow and appear to turn red on the night of March 13 or early in the morning of March 14, depending on ...
Does at-home red light therapy really work? Learn the science from our experts
Our experts explain the science behind red light therapy, and if it really works. Plus, we recommend some FDA-cleared wands ...
Inverse1d
Does Red Light Therapy Live Up To the Hype? Yes — But Not For All The Health Claims
A much touted emerging treatment, red light therapy, lives up to the hype for a lot of health claims, but certainly not ...
Imani Perry’s Blue Notes
The story goes that the lyrics to “ Black and Blue ,” the jazz standard popularized by Louis Armstrong, were written at ...
Light pollution is getting worse, but there is a movement to make our skies dark again
Light pollution is increasing globally, and having a negative impact on wildlife and humans. But the solutions are ...
Why are rubies red and emeralds green? Their colors come from the same metal in their atomic structure
The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But ...
Eerie glow seen racing behind clouds in the Northeast, video shows. What was it?
One witness in Havre de Grace, Maryland, recorded video of the eerie glow, showing the fireball resembled a silent explosion ...
Why does sky look blue to our eyes?
Multiple Scattering Directions – Scattered blue light reaches our eyes from all directions, making the sky appear blue. Sunset and Sunrise Effect – During sunrise and sunset, sunlight passes through ...