If you live in a cold area, a tender bulb will need special care when the growing season is over.

VOA: special.2011.04.12

In many countries, it is possible to buy and use a special device that will warn when harmful levels of carbon monoxide are in the area.

VOA: special.2010.02.02

Sick or dying coral affects the entire ecosystem of this special underwater area.

VOA: special.2009.04.22