"I've always loved working with the robots. And when I first started it was a challenge working with the robots, understanding how they worked and figuring them out.

VOA: special.2010.07.28

She praised the government of Cap Verde for spending wisely money it is receiving from the U.S.Millennium Challenge Account.

VOA: standard.2009.08.16

He calls it "cow power to horsepower." Leonhardt says the challenge is to cost-effectively remove impurities from the manure-derived methane.

VOA: standard.2010.02.23

It is expected that Democrats will have a tougher challenge in motivating their supporters to get out to vote this year.

VOA: standard.2010.05.04

"It is the challenge of the 21st century," "We have to acknowledge, accept and work with it.

VOA: standard.2009.05.13

But it is a challenge that needs to be addressed immediately before it is too late,".

VOA: standard.2009.04.24

But,it says wiping this deadly disease from the face of the earth poses a formidable challenge.

VOA: standard.2010.05.21

"It is a challenge after just a few months of implementation to be able to speak with confidence about when these things will occur,"

VOA: standard.2009.09.04

That is our basic challenge now,". Geithner says it will take some time to bring down unemployment levels, which in October reached a 26-year high in the United States.

VOA: standard.2009.11.12

We want it to emerge from this period of challenge stronger,".

VOA: standard.2009.03.30

There's no vision to it." "There's no goal. There's no challenge." "Obviously there are a lot of people that are unhappy about the potential of altering the future of space flight."

VOA: standard.2010.04.15

For Garson,it has been a challenge to put aside his concerns about Haiti, and focus on football and the most important game of his career, but he has a simple message to Haitians.

VOA: standard.2010.02.04

In an opinion piece published in the Times of India newspaper she said the United States and India which have both experienced searing terrorist attacks should intensify anti-terrorism cooperation, and encourage Pakistan as it confronts the challenge of violent extremism.

VOA: standard.2009.07.17

"Tea is the world's second most popular drink, second to water, and there are literally thousands of tea formulations around the world, so the challenge for us, isn't finding new tea recipes, it's focusing and making sure we're developing things that are going to work."

VOA: standard.2010.02.17