Information in a biological passport can help catch athletes who use banned drugs but find ways to avoid testing positive for them.

VOA: special.2011.04.12

The new study shows that happiness spreads through social networks like an emotional virus - a virus people would be happy to catch.

VOA: special.2009.01.21

Jeff Peters and Andy Tucker were now ready to catch a few fish on the hook.

VOA: special.2010.04.24

They worked quickly to catch up. Less than a year later, on October first,nineteen fifty-eight, the National Aeronautic and Space Administration,or NASA, began operations.

VOA: special.2010.08.20

Cloth sails were used to catch the wind to move a ship through the water.

VOA: special.2009.12.23

So he took his rope out though some say it was a huge rattlesnake and lassoed Sue to catch her and bring her down to Earth.

VOA: special.2009.11.28

A cat will often catch a small animal and present it to its owner.

VOA: special.2009.09.27

But on the way to catch a bus, his luck changed.

VOA: special.2009.11.01

The idea of a no-frills, environmentally-aware grave may,however, take time to catch on in Australia, where there is still a deep respect for tradition.

VOA: standard.2010.07.22

"So it is within that general framework of a romantic comedy that is going to end happily, we create the little moments that catch people by surprise."

VOA: standard.2010.04.30

It would be weeks before he could catch another flight home, but the delay gave him time to hike the Annapurna Circuit, a 14-day trek through the Himalayas.

VOA: standard.2009.12.13

While some of their clients are middle class professionals from the community at large, many brothels will only accept a narrow clientele to make it difficult for law enforcement to catch them.

VOA: standard.2010.05.24

"We cannot stop terrorism or defeat the ideologies of violent extremism when hundreds of millions of young people see a future with no jobs,no hope and no way ever to catch up to the developed world,"

VOA: standard.2010.01.06