The U. S. is bracing for a severe heatwave this weekend, with a significant portion of the Eastern region under threat. By Sunday, a staggering 38 million people will be at "major" risk of heat stress, while another 7 million could face "extreme" danger, according to the National Weather Service. The Midwest and Central Plains are expected to experience the highest ...

The concept of wet-bulb temperature is now key in understanding how global warming impacts health. But where did this idea come from? It started with a scientist named J. S. Haldane. He looked at working conditions in mines during the early 1900s. The first signs of a warming world were felt in workplaces, not globally. This made it a prime spot for studying how he...