Why do zebras have stripes?

After evolving from horses some two million years ago, zebras earned their stripes. But why? A team of scientists has found part of the answer.
Haboob - dust storm

What is a dust storm/haboob?

Watching a dust storm (or haboob) blow in, you can imagine it will leave a swath of nothingness in its wake. Fortunately, it's not like that at all.

How do air conditioners work?

Air conditioning is one of those modern conveniences we much about - until we don’t have one or it breaks. How do air conditioners work?

10 summer beauty tips

A beauty expert offers some cool summer beauty tips that will keep you looking your best throughout the hottest part of the year.

Smart secrets for sunburn relief

Don't get burned twice! Some sunburn products may do more harm than good. Here are some tips for sunburn relief to help you keep your cool this summer.