They are hoping to learn more about dark matter in an effort to better understand how the universe expands and shrinks.

VOA: special.2009.07.21

The family carries the body through flood and fire in an effort to get her body to Jefferson to be buried.

VOA: special.2010.01.10

It combines a tax cut for employers and spending for road projects in an effort to reduce unemployment.

VOA: special.2010.02.27

President Reagan met with Soviet Leader Mikhail Gorbachev several times in an effort to reduce nuclear weapons.

VOA: special.2011.02.06

This park was established in nineteen twenty-six in an effort to protect the wildlife of South Africa.

VOA: special.2009.08.19

One of the showerheads was cleaned with a bleach solution in an effort to destroy the bacteria.

VOA: special.2009.10.13

Miz Teutonico's team will study materials used in the paintings in an effort to solve the mystery.

VOA: special.2009.12.15

He urged other nations to join in an effort to free the world of nuclear weapons.

VOA: special.2009.04.11

Over the past four years he traveled around the world with recording equipment and video cameras in an effort to unite people through music.

VOA: special.2009.07.31

Workers are drilling two relief wells in an effort to ease pressure on the damaged well.

VOA: special.2010.06.04

They wanted to seize the territory and Fort Union in an effort to find paths to the Pacific Ocean and to the gold fields of Colorado.

VOA: special.2009.03.30

The three men had often worked like this in an effort to find gold.

VOA: special.2009.02.04

So,in an effort to unite the party, Stephen Douglas offered to withdraw.

VOA: special.2009.05.07

He said opponents of health care reform are spreading such rumors in an effort to scare the American public.

VOA: standard.2009.08.11

General McChrystal is expected to ask for tens of thousands more troops in an effort to bring stability to Afghan population centers.

VOA: standard.2009.09.23

Army spokesman Major-General Athar Abbas says that commando forces immediately surrounded the compound in an effort to secure the safe release of the hostages.

VOA: standard.2009.10.11

Village leaders chose Turay to teach in an effort to keep their children in school.

VOA: standard.2010.02.25

U.S.Middle East envoy George Mitchell will hold three days of separate talks with Israeli and Palestinian leaders in an effort to advance the peace process.

VOA: standard.2009.07.26