We see it all the time. Meteorologists going on and on about the heat index. But what is the heat index? It’s a number that we get from this big, long equation. It looks something like this… HI = ...

Wind chill and heat index are often both referred to as the "feels-like temperature." Of course, heat index tells us the real feel over the summer, and wind chill tells us the real feel in winter.

Forecasters' overuse of "feels like" estimates smacks more of sensationalism than scientific clarity, and plays into a destructive narrative of climate hysteria. sawitreelyaon - stock.adobe.com Every ...

Body mass index (BMI) is an estimate of body fat based on height and weight. It doesn’t measure body fat directly, but instead uses an equation to make an approximation. BMI can help determine whether ...