Sometimes,observers see this as a comet's tail, which can be visible to the unaided eye stretching across the night sky.

VOA: special.2011.02.09

The idea behind microfinance is to empower borrowers by helping them build a business which can create income and grow.

VOA: special.2010.06.16

Many of the caterpillars live on the leaves of forest trees such as the Dahoma, which can rise more than 8 meters.

VOA: special.2009.01.27

"This exhibition represents a more mature view,if you like, one which can take account of catastrophes like earthquakes, problems at nuclear plants and tsunamis."

VOA: special.2011.04.08

She says to look for pure oils and avoid unnatural fragrances, which can contain harsh chemicals.

VOA: special.2011.03.09

Larger schools also have more money, which can mean more resources for education, recreation and research.

VOA: special.2009.12.03

The symbol for her group is a grapevine, which can represent a symbol of peace.

VOA: special.2010.05.03

In summertime, which can get very hot in Washington, President Lincoln used a country house.

VOA: special.2010.05.10

They include arsenic, which can be used to kill plants and small animals.

VOA: special.2010.03.09

It occurs as a result of something underlying which can be potentially serious."

VOA: special.2009.09.02

It also causes bad side effects, some of which can be deadly.

VOA: special.2010.01.04

"As you know,I have keys which can open any lock in Paris.

VOA: special.2009.12.26

Most restaurants use large gas ovens and stoves which can be wasteful.

VOA: special.2009.04.10

HPV is the human papillomavirus, which can lead to cervical cancer.

VOA: special.2011.06.15