If dark matter particles exist, scientists say, they should be able to observe a small amount of light given off when they hit the nucleus of a xenon atom.

VOA: special.2009.07.21

He says it is poor countries that will be hit hardest by a downturn in oil supplies.

VOA: standard.2009.10.20

The shutdown is bad news for the recession-hit country partly because it will lose a source of cheap electricity and be forced to import more expensive energy.

VOA: standard.2010.01.01

Britain's Royal Society has released a report looking at how science and technology can be used to fight a food shortage it says is expected to hit the globe by 2050.

VOA: standard.2009.10.21

A long-standing drought, along with recent devastating bushfires and widespread floods have given some scientists more reason to think that the vast continent is likely to be one of the countries hardest hit by a shifting climate.

VOA: standard.2009.05.03

Conference organizer, Dr.Greg Pappas of the American non-governmental organization,or NGO, called Interaction says that while it is too early to tell whether the current outbreak will turn into a global pandemic, poorer countries in particular need to be prepared for the day when one does hit.

VOA: standard.2009.04.28