He says more experiments on different kinds of pain are needed to better understand the effect of swearing.

VOA: special.2009.08.18

The researchers say more studies are needed to learn the reason for the different effects of tobacco smoke on boys and girls.

VOA: special.2009.01.13

Scientists say extensive observations from earth-based telescopes are needed to confirm the existence of the planets.

VOA: special.2011.02.09

In the Senate, sixty votes are needed to prevent unlimited debate on a bill.

VOA: special.2010.01.22

He said the improvements also are needed to fight the effects of climate change.

VOA: special.2009.01.20

More studies are needed to know if the gel could work for humans.

VOA: special.2009.03.16

They say new policies are needed to deal with these long-term crises.

VOA: special.2010.10.18

So chemicals are needed to release oil from soybeans.

VOA: special.2009.09.29

New industries and development are needed to create jobs and give people reasons to spend money in East Timor.

VOA: standard.2009.08.28

military surge in Iraq, said multiple brigades of combat, support and training forces are needed to turn around a deteriorating situation.

VOA: standard.2009.10.15

The weight gain sparked concern among researchers who said further studies are needed to gauge the long term effects.

VOA: standard.2010.07.08

Fauzi says many people panicked unnecessarily last week and public education campaigns are needed to teach people how to respond to earthquakes.

VOA: standard.2009.09.07

Dr.Haukoos says alternative HIV testing programs are needed to help those who don't know they have the virus.

VOA: standard.2010.07.23

But Tilford does not believe Europe is ready,or willing,yet to undertake fundamental economic reforms he thinks are needed to right these imbalances.

VOA: standard.2010.02.26

Officials say the tight restrictions are needed to prevent further unrest and help unify the country.

VOA: standard.2010.07.06

Volpp says more studies are needed to measure the real impact of incentive programs on obesity.

VOA: standard.2010.07.16

White House spokesman Robert Gibbs says President Obama will discuss, among other things, the steps are needed to close the detention facility at Guantanamo Bay.

VOA: standard.2009.05.20

He says more efforts are needed to ensure an early economic recovery.

VOA: standard.2009.11.12

The country's counterterrorism chief, Ansyaad Mbai, says attacks since then, including the July bombings of two international hotels in Jakarta, prove that stronger measures are needed to prevent violence.

VOA: standard.2009.09.10

Members of the House Progressive Caucus have vowed to fight to keep this public option in any final legislation that emerges, along with other provisions they say are needed to protect lower and middle-income Americans and hold insurance companies accountable.

VOA: standard.2009.12.25

Wisconsin's newly elected governor, Scott Walker, says limits are needed on labor unions to help cut a deficit in the state budget.

VOA: special.2011.02.25

It is considered an excellent example of how to move troops quickly to where they are most needed.

VOA: special.2009.09.17

He said the soil improvements are needed "if we are to reduce poverty and feed growing populations."

VOA: special.2009.01.20

Doctor Monfort says many people are needed in the future to keep endangered animals on Earth.

VOA: special.2010.06.22