Differential equations are fundamental tools in physics: they are used to describe phenomena ranging from fluid dynamics to general relativity. But when these equations become stiff (i.e. they involve ...

While we try to keep ourselves healthy from head to toe, many of us forget about what’s at the very top of our bodies — our hair. But there’s good reason to want to keep your locks healthy. “Our hair ...

Editor's note: This story was originally published on Aug. 20 when the fights was announced, and updated on Wednesday, Sept. 24 with weight for the fight, number of rounds and other information. The ...

Some researchers argue that the 95 F wet-bulb threshold actually underestimates the dangers of high temperatures on human health. Pope Moseley, a researcher at Arizona State University who studies ...