Instability and the devastating effects of prolonged drought are causing tens of thousands of Somalis to take to their feet in search of a safe refuge.

VOA: standard.2009.09.26

Iranian television showed officials inaugurating new electricity plants and saying more gasoline is available, contrary to scattered reports from inside the country that gas stations are running low on fuel and that electricity brownouts are causing major disruptions.

VOA: standard.2010.07.20

They are dangerous to breathe. And they are a big fire danger, causing many injuries and deaths each year.

VOA: special.2009.12.21

The Mayo Clinic says several foods are suspected of causing migraines.

VOA: special.2010.03.30

They said the emerging sanctions are aimed not at causing added hardship for the North Korean people but blocking illicit transactions supporting Pyongyang's weapons programs and prompting it back to nuclear talks.

VOA: standard.2009.07.15

"What we are seeing in Iceland is that as the magma particles get towards the surface, they interact with the very cold water and they chill to form glassy fragments and these glassy fragments are small, they have sharp edges and when those get up in the air that is what is causing the risk to aviation."

VOA: standard.2010.04.15