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.

Scientists hope to prevent deaths from climate change, but heat and cold are more complicated than we thought.

The threshold for survival in heat is lower than thought — researchers are using state-of-the-art climate chambers to explore when blistering conditions threaten life. In 2019, physiologist Ollie Jay ...