Wearable biometrics, improved science, and more data are changing U.S. Army attitudes toward human performance—particularly how soldiers adapt to the risks of overheating. The U.S. military has been ...

It's long been understood that working outside in hot weather can be dangerous: Even ancient Egyptians worried about dehydration for workers building the pyramids. Now, a growing body of research is ...

There is something humbling about realizing that the most urgent climate questions we wrestle with today were, in many ways, already being answered decades ago. Scientists, policymakers, and ordinary ...