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

VOA: special.2009.09.22

Even after damselfish killed off parts of the staghorn colonies, the areas that remained were able to survive.

VOA: special.2010.08.10

She says the effect of disease is made worse by the buildup of insect-killing pesticides in bee colonies.

VOA: special.2011.05.24

If that is the case, it may be possible that the moon could hold enough water for future explorations or even colonies.

VOA: special.2009.12.30

Troops from the English colonies that would become the United States supported the British army in the war.

VOA: special.2009.01.05

Several different species of coral can be present in the different colonies that form the reef structure.

VOA: special.2010.08.10

The settlement must protect China's territorial rights so it would not be divided into foreign colonies.

VOA: special.2010.07.29

They kill parts of coral colonies or communities, so that simple organisms like algae can grow.

VOA: special.2010.08.10

The United States received several of Spain's island colonies as part of the peace agreement.

VOA: special.2010.07.29

The first newspaper published in Britain's North American colonies appeared in Boston,Massachusetts, in sixteen ninety.

VOA: special.2009.04.20

These colonies are now independent, but English still is one of the languages spoken.

VOA: special.2011.01.12

For now,beekeepers have been doing their best to try to protect their colonies.

VOA: special.2009.09.15

The English,Dutch and French began to plant cacao trees in their own colonies.

VOA: special.2010.02.17

The scientists compared bees from affected colonies with those from healthy colonies.

VOA: special.2009.09.22

Philadelphia became the social, political and geographical center of the American colonies.

VOA: special.2010.04.04

The team compared bees from affected colonies with those from healthy colonies.

VOA: special.2009.09.15