The trick to calming an unhappy elephant? Sing him Frank Sinatra songs, according to one of the vets tasked with assessing whether Kaavan can be moved from poor conditions in a zoo in Pakistan's ...

To naturally whiten teeth, you should brush and floss regularly, avoid staining behaviors, and stay away from unproven home remedies.

Baking soda can help whiten your teeth, though dentists say it's better to use toothpaste. Here's what you need to know.