Varroa mites have been causing serious problems in bee colonies in the United States since the late nineteen eighties.

VOA: special.2009.09.22

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

VOA: special.2009.12.21

Those scientists included researchers who question the idea that human activity is causing temperatures in the atmosphere to rise.

VOA: special.2010.04.27

As a result, one side of the fault area lifts, causing the pressure that has been building up inside to be released.

VOA: special.2009.07.07

One idea is to provide poor and developing nations with vaccines that help to prevent some cancer-causing infections.

VOA: special.2009.03.02

Yet for thousands of years rinderpest has affected people by killing cattle and other animals and causing starvation.

VOA: special.2010.11.02

The researchers found that he and three members of his family had two disease-causing mutations in one gene.

VOA: special.2010.03.23

But the disease also appeared in a cooler climate in two thousand seven, causing concern about its spread.

VOA: special.2009.04.13

She was accused of causing the man to attack her and sent to a prison for children.

VOA: special.2010.02.28

When this happens, one plate moves past the other, suddenly causing the Earth's surface to split.

VOA: special.2010.01.12

Human rights groups have condemned all sides in the Somali capital for causing civilian deaths.

VOA: special.2010.07.17

Another brother,Jason, accuses others of stealing his money and causing his business to fail.

VOA: special.2010.01.10

And the side effects of the treatment can be serious, sometimes even causing death.

VOA: special.2010.04.07

But HEPA filters cannot remove disease-causing particles smaller than zero point three microns.

VOA: special.2009.07.14