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

The “hemline index” is one of those economic theories that never quite disappears. Popularized in the 20th century, it claims a correlation between skirt lengths and the stock market: shorter hemlines ...

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 ...

The UV index measures the intensity of skin-damaging ultraviolet radiation at the Earth's surface. The UV index ranges from 0 to 11-plus, with higher values indicating greater risk of sunburn and skin ...

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 ...

Though many people recognize tire measurements, not everyone knows how to read the symbols on their sidewalls. Getting a grasp of how to read this is crucial to better understanding the tires you ...

NAWI is an annual measure of average wages in the U.S. The Social Security Administration uses NAWI to calculate Social Security benefits, among other things. NAWI plays a key role in adjusting the ...

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 ...