Using the same amount of land, the new wheat variety could produce three to four times as much food.

VOA: special.2009.11.10

NASA scientists using the Kepler space telescope also announced the discovery of six planets orbiting a star called Kepler-11.

VOA: special.2011.02.09

Not until the nineteen fifties did scientists, using radioactive dating, place the age of the Earth at over four billion years.

VOA: special.2009.12.01

For many years after Mister Harrison's work was completed, the idea of using a clock to learn longitude was rejected.

VOA: special.2010.07.14

New irrigation methods are expected to double wheat production while using one-third of the water required for full irrigation.

VOA: special.2010.02.08

He offered the pirates a deal. He suggested the pirates could escape using one of the ship's lifeboats.

VOA: special.2009.05.27

He decreed that anyone found guilty of using the word Frisco must pay a penalty of twenty-five dollars.

VOA: special.2009.12.14

Bill invented the method of using a hot branding iron to permanently put the mark of a ranch on a cow's skin.

VOA: special.2011.06.11

But in nineteen ninety-one, Democrats accused President George H.W.Bush of using the last such speech for political purposes.

VOA: special.2009.09.17

The AP accuses him of using one of its photographs of Barack Obama for his famous poster.

VOA: special.2009.04.08

The program in India won an Ashden Award in two thousand six for using local sources of energy to improve quality of life.

VOA: special.2009.08.17

American writer Alice Kahn is said to have invented the term to describe young people who spend a lot of time using computers.

VOA: special.2010.03.28

At one point he came so close to running out of gas he considered using his parachute.

VOA: special.2011.04.27

These include natural and organic methods to control harmful insects and weeds instead of using chemicals.

VOA: special.2009.07.14