She suspects that chimps may be a step ahead of humans in how their bodies deal with the virus.

VOA: special.2009.09.08

Ting-Chi Wang leads us to the permanent exhibition called With a Single Step. She says that the exhibition about Chinese immigrants in America was based on the idea of a heros travels.

VOA: special.2010.03.03

And,that is why this campaign is so important." But that view is out of step with many in war-weary Britain.

VOA: standard.2009.08.02

Dancing in the streets of London. This is a two-step with a purpose.

VOA: standard.2010.03.10

General Aziz announced his candidacy in an interview with the al-Arabiya television network, saying he will step down in three weeks and allow the President of the Senate to run the country during his campaign for the presidency.

VOA: standard.2009.03.29

Congressman Berman and at least 330 lawmakers supporting the bill, which expands the scope of sanctions to oil pipelines and tankers, say that despite some signs of progress in negotiations with Iran, Congress must step up pressure on Tehran.

VOA: standard.2009.10.28

In separate action, the House of Representatives debated a resolution urging Iran to step up cooperation with the U.S.and intermediaries on the case of Robert Levinson, the former FBI agent who disappeared in 2007 while visiting Iran.

VOA: standard.2009.04.28

Clinton,who is set to visit Haiti on Thursday, said that despite its status as the Western Hemisphere's poorest country, it has made progress in democratic governance since elections in 2006 and stands to take another step forward with elections for a new senate on Sunday.

VOA: standard.2009.04.14

Of the 183 countries voting, Myanmar's ambassador,Than Swe, said if western countries are truly concerned about human rights in his country or any other they should adopt a cooperative approach, instead of a resolution that he called "out of step with the times we live in."

VOA: standard.2009.11.20