He was also interested in vehicles that could move in air and on water.

VOA: special.2010.05.14

Pilots tested and demonstrated their skills in air shows.

VOA: special.2010.05.26

he observes,pointing to the very substantial cuts in air pollution emissions during the 2008 summer Olympics in the Beijing metropolitan area.

VOA: standard.2010.04.07

HEPA filters capture almost all particles in the air that are zero point three microns in size or larger.

VOA: special.2009.07.14

He began to turn over in the air when his chute opened, and there were problems with the lines at first.

VOA: special.2009.11.24

The batter also is out if he hits the ball in the air and an opposing player catches it.

VOA: special.2009.04.12

Another reason for the increase in bird strikes is the growing popularity of air travel in the United States.

VOA: special.2009.04.01

Sweet,peaceful stars filled the sky as the night birds sang softly, and tiny insects buzzed in the soft air.

VOA: special.2009.12.12

"I've seen 'Avatar,' 'The Blind Side' and 'Up in the Air.' And by far 'The Blind Side' was my favorite.

VOA: special.2010.03.01

During one week in nineteen forty-eight, poisonous air in a nearby town killed twenty people and sickened six thousand others.

VOA: special.2009.07.13

It is a line drawing made out of aluminum wire that looks like a wavy net floating in mid-air.

VOA: special.2009.05.06

The Centers for Disease Control says HEPA filters are effective in clearing the air of many particles that cause disease.

VOA: special.2009.07.14

He says the bacteria can also float around in the air and be easily pulled into the lungs.

VOA: special.2009.10.13

He began as a juggler, someone who can keep several objects in the air at the same time.

VOA: special.2009.03.09