What exactly is the UV Index? A dermatologist explains.

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

What is the UV index? How to avoid skin damage, sunburns this summer

The UV index measures the strength of the sun's ultraviolet (UV) radiation. The index ranges from 0 to 11, with higher numbers indicating greater risk of sunburn and skin damage. Protective measures, ...
The Indianapolis Star

Is the Waffle House Index real? Here's what it is and how it's used during major storms

If you’re from Georgia, chances are high you’ve had at least one late-night heart-to-heart (or hangover) at a Waffle House. But did you know the chain is also a disaster indicator? Yep, it’s called ...
Yahoo

Is the Air Quality Index enough? What the AQI can — and can't — tell you about how healthy the atmosphere is.

The AQI is measured on a scale from 0 to 500, with the lower the number, the healthier the air. (Getty Creative) But many Angelenos aren’t sure if the AQI tells the full story, especially given how ...
Lansing State Journal

What's the 'feels like' temperature? How the heat index can keep you safe

The heat index, or apparent temperature, combines air temperature and relative humidity to indicate how hot it feels. High humidity slows sweating, the body's natural cooling system, making ...
Nasdaq

What is the VIX Index?

Buy low, sell high. The trend is your friend. Sell in May and go away. Wall Street is teeming with familiar financial adages. But there’s one you may not have heard of: “When the VIX is high, it’s ...