Ten children ages eight to fourteen were in New York recently for the finals of this year's Discovery/3M Young Scientist Challenge.

VOA: special.2009.10.15

"This has clearly been a systemic challenge for financial stability in the euro area.

VOA: special.2010.05.14

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

"The most urgent challenge facing this body today is to prevent the tyrants of Tehran from acquiring nuclear weapons.

VOA: standard.2009.09.24

We need to challenge governments, decision-makers and community leaders to stand together to fight TB and eventually wipe out this devastating disease."

VOA: standard.2010.07.12

This time round, this is a direct challenge to what they see as unfairness, as injustice and inequality."

VOA: standard.2010.05.19

He says fighting traffic congestion, he adds,is an on-going challenge because this urban area continues to attract more jobs and more people.

VOA: standard.2010.07.26

The national security challenge comes at a difficult time for Mr.Obama, who later this month will mark his first year in office.

VOA: standard.2010.01.06

"Rome" and "Big Love." Poul says his challenge was to balance the expectations audiences have for this genre.

VOA: standard.2010.04.30

"I think the world need to understand that this is the new challenge of the 21st century, and this is the new war,"

VOA: standard.2009.05.10

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

VOA: standard.2010.05.21

So we said we will accept the challenge of raising up this program here in Kenya."

VOA: standard.2010.05.30

This group of doctors meets annually to challenge medical autopsies of famous historical figures.

VOA: standard.2010.06.09

"This is the challenge we have now: to open a lot of those doors."

VOA: standard.2009.08.15