The researchers point out that gene flow between crops and their wild relatives is common and difficult to contain.

VOA: special.2009.10.27

These moves renew concern among some people about efforts by the UAE and Saudi Arabia to control the flow of information.

VOA: special.2010.08.06

Rivers on the east side of the Potomac Highlands flow into the Potomac River and continue on toward the Atlantic Ocean.

VOA: special.2009.07.20

Automatic faucets use an electronic sensor to start and stop the flow of water when people wash their hands.

VOA: special.2011.04.06

Clots can block the flow of blood to the heart or brain and cause a heart attack or stroke.

VOA: special.2009.10.20

When the water heater is working correctly, water will flow from the storage tank to the collector and back again.

VOA: special.2009.04.20

Project organizers hope to re-create wetlands in Picayune Strand and nearby lands by redirecting the flow of water in that area.

VOA: special.2010.09.21

Finally,leave space between the food containers and the walls of the cold storage area so air can flow.

VOA: special.2009.11.30

Like the Olympics, the World Cup provides a good reason to build roads, railways and airports to manage the flow of visitors.

VOA: special.2010.06.09

The deformed cells block blood vessels and cut off the flow of oxygen to tissue in the body.

VOA: special.2009.12.16

A person attaches a tube to the goat and, after a little pumping, the milk begins to flow.

VOA: special.2010.07.20

In Washington this week, Treasury Secretary Tim Geithner announced new steps to rebuild trust in financial markets and restart the flow of credit.

VOA: special.2009.02.13

Albuterol helps to relax the muscles in the airways of the lungs and increases air flow.

VOA: special.2009.07.28

It provides a continuous flow of air into the throat and lungs while the person sleeps.

VOA: special.2011.05.04