Nearly 60 million Americans are under heat-related warnings, watches and advisories this week as a "heat dome" strengthens over the Mississippi and Ohio Valleys and eventually moves toward the eastern ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Mosquitoes are among the deadliest animals in the world because of ...

Recent weeks have seen record-breaking heat on three separate continents. The United States clocked the largest number of heat warnings ever, parts of China simultaneously roasted, and Europe’s ...

As much as people enjoy the warm summer months, high temperatures can be hard on the human body. “As mammals, we live close to the thermal edge of life and death,” says Craig Heller, a physiologist ...

July 2023 was the hottest month ever recorded. It could even be the hottest month in human history. That heat has tested the limits of our very bodies to tragic effect: In 2003, an estimated 70,000 ...

It’s possible to train your body to better handle high temperatures in just a few weeks. By Katharine Gammon Inside a small, sealed room, Olivia Leach swallowed a pill that would soon monitor her ...

Heat is the leading cause of weather-related deaths in the United States. While the human body is able to withstand high temperatures, unprecedented extreme heat driven by climate change is ...

This story is part of Record High, a Grist series examining extreme heat and its impact on how — and where — we live. Under the relentless sun in Africa, the birthplace of humanity, every living thing ...

Kevin Miller can get a person to the brink of heat stroke in 30 minutes. In a chamber with a temperature of around 100 degrees, he starts them out on the treadmill, switching off between three minutes ...