Secretary Gates said he has launched a year-long study of the possible effects of a change in the law.

VOA: special.2010.02.06

He says young dinosaur fossils are extremely rare, a possible sign that many of them had been eaten by attackers.

VOA: special.2009.09.01

The W.H.O.says pregnant women should take the antiviral drug Tamiflu as soon as possible after they show signs of illness.

VOA: special.2009.08.05

The World Health Organization, the United Nations health agency, uses a system of six phases to warn of possible influenza pandemics.

VOA: special.2009.05.06

On Friday, the United Nations human rights office called for an investigation of possible war crimes in Sri Lanka.

VOA: special.2009.05.16

After talks on Wednesday, France's ambassador said they were starting to negotiate on the substance of possible new measures.

VOA: special.2010.04.17

The railroads made it possible to travel from one side of the country to the other in less than a week.

VOA: special.2009.02.21

It was not possible to travel straight through because of the Rocky Mountains and the deep snow that fell in winter.

VOA: special.2010.04.26

But improved treatments to ease the effects of the disease make it possible for many patients to live almost normal lives.

VOA: special.2009.04.07

Still,doctors say it is possible that such events might cause symptoms of Parkinson's to appear earlier than they would have.

VOA: special.2009.04.07

Possible effects of the diet include digestive problems, loss of fluids in the body, and development of kidney stones or gall stones.

VOA: special.2010.10.26

Professor Caplan also believes that concerns about the possible escape of manufactured cells into the atmosphere are real.

VOA: special.2010.07.20

Radio,television and newspaper reporters made it possible for millions of people to share the excitement of the flight.

VOA: special.2009.06.17

Before he was president, Mister Hoover worked for many years to make the construction of the dam possible.

VOA: special.2009.08.12