Scientists use "wet-bulb temperature" to gauge how extreme heat affects the body. But what is it? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The steady glow from streetlights is changing the texture of tree leaves, making them less appetizing to insects, according to new research from China. Light pollution and fog combining to blur a New ...

Excessive artificial light at night (ALAN) harms ecosystems and human health. LED lights, while energy-efficient, often produce excessive blue light, worsening ALAN. Properly designed outdoor lighting ...