Other researchers are working on ways to spread these genetically modified insects among mosquito populations.

VOA: special.2009.12.07

With hand tools, he and Rufus Robinson threw dirt on the fire and dug a line to contain it so the flames would not spread.

VOA: special.2009.11.24

Other researchers are working on ways to spread these genetically-engineered insects among mosquito populations.

VOA: special.2009.12.22

They depend on birds,bees or insects to spread their pollen to another orchid flower.

VOA: special.2010.04.06

And it has spread to almost every country on Earth.

VOA: special.2010.02.28

Libyan media showed wreckage of the plane spread over a wide field, with rescue and emergency workers on the scene.

VOA: standard.2010.05.12

The Security Council session focused on nuclear non-proliferation and disarmament, and the resolution urged action to prevent the spread of atomic weapons.

VOA: standard.2009.09.24

But,unlike city sewage, this waste sits in lagoons and is spread untreated on farm fields as fertilizer.

VOA: standard.2010.05.06

So they pin up posters on election commission sponsored bulletin boards and spread their message by megaphones.

VOA: standard.2009.07.27

In recent years, the spread of AIDS has put stress on an impoverished health system.

VOA: standard.2009.09.14

He says the emphasis should be on common sense preventive measures that cost little, but could go a long way toward preventing the spread of viruses.

VOA: standard.2009.04.28

They are spread over more than and many smaller ones on Okinawa.

VOA: standard.2009.11.11

He estimates rates in his home state could go up by as little as 0.03 percent to as much as 15 percent, depending on how many customers a utility company has to spread the costs across.

VOA: standard.2010.03.23

To slow the spread of the virus and relieve the strain on the country's health system, the government has set up a national pandemic flu service, where people who suspect they're infected can get a diagnosis and prescription for antiviral drugs over the phone or Internet.

VOA: standard.2009.07.31