The UV Index measures the ultraviolet radiation coming from the sun. There are three primary types of UV radiation: ...

Predicting when and where the Northern Lights will be visible is a challenging game and can partially be predicted by ...

Reviewed by Michael J Boyle Fact checked by Vikki Velasquez What Is a Cost of Living Index? Cost of living data includes the expenses incurred for food, shelter, transportation, energy, clothing, ...

There's a lot of information on a tire's sidewall if you know where to look. Of course you have your make and model, but if you look closer you'll see an alphanumeric string on there — something like ...

Body roundness index takes into account a person's hips and waist measurements. While body mass index (BMI) has long been a go-to measure of a person's health, used by doctors and health insurers ...

A drug’s therapeutic index is a ratio that doctors use when prescribing medications and determining dosage. It shows how much of a drug a person’s blood can contain before it becomes toxic. The ...