The Department of Agriculture, for example, provides biologists to help study wildlife that could be a danger to air travel.

VOA: special.2009.04.01

Professor Harkema says there could be a day when Rob Summers and other paraplegics like him will be able to walk again.

VOA: special.2011.06.01

In schools, the punishment for cheating could be a failing grade on the paper or in the course.

VOA: special.2009.04.16

Experts say more than thirty million people could be at risk of shortages unless a solution is found.

VOA: special.2009.09.21

This could be a serious problem. The shield protected the spacecraft from burning up from the extreme heat of re-entering the Earth's atmosphere.

VOA: special.2009.06.17

Ms.Gardiner said the delay between the arrival of the smell at each nostril could be as little as a half second or less.

VOA: special.2010.08.03

But it was the Spanish explorer Hernando Cortes who understood that chocolate could be a valuable investment.

VOA: special.2010.02.17

Bessie Taylor Gwynn taught him to believe he could be a poet or a writer.

VOA: special.2009.11.01

But he said if people changed their mindset, there could be a world without poverty.

VOA: special.2010.06.16

Wireless telephones could be a big part of the electronics industry's return to growth.

VOA: special.2010.01.26

As part of that, company wellness programs could be a growth industry.

VOA: special.2011.02.28

But the survey found that cost could be a big influence.

VOA: special.2009.09.03

It's like an American school could be a protective box."

VOA: special.2009.11.05

Professor Rais says if Taliban and al-Qaida militants have relocated to Baluchistan, it could be a sign of desperation.

VOA: standard.2009.03.19