That public perception created a new challenge for Muslim parents.

VOA: standard.2010.07.12

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

The rising power of a militant group called al-Shabab in neighboring Somalia has also added a new security challenge in the region.

VOA: standard.2009.05.01

Regional diplomats say the challenge for the new president will be forcing Bissau's military to respect civilian leadership and keep out of politics.

VOA: standard.2009.07.26

Kakutani says the biggest challenge is finding new fish from sustainable sources to introduce to the public.

VOA: standard.2010.07.14

The challenge they faced was maintaining their new weight.

VOA: standard.2010.07.30

"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