In it,he developed a theory that intelligent life had created waterways all over the surface of Mars.

VOA: special.2010.07.11

He developed a new kind of electric guitar that had a solid body.

VOA: special.2009.09.27

He developed a new style of jazz called "bebop."

VOA: special.2009.05.03

He developed a machine to aid breathing.

VOA: special.2010.05.14

Swan did that and more. As he gained experience on his first expeditions, he developed a talent for raising money and hiring accomplished guides who could teach him.

VOA: standard.2009.12.10

He was a mine manager in Leadville who developed a way to safely mine for gold deeper than before.

VOA: special.2010.03.08

He developed what he calls a suicide molecule that acts like the protein which tells cells to self-destruct.

VOA: special.2010.03.16

He led the team of scientists. They developed a new method of making maps of hard-to-reach areas.

VOA: special.2009.11.17

He wrote that a whole new public for music had developed as a result of the popularity of the radio and record player.

VOA: special.2009.06.21

He developed plans for a company that would carry the mail -- and passengers,too.

VOA: special.2010.04.26

He and his research team have developed a synthetic,or manmade, cell he calls "Synthia."

VOA: special.2010.07.20

Professor Perlman developed what he calls a suicide molecule.

VOA: special.2010.05.19

As a result,he was almost upstaged by a younger colleague, Alfred Russell Wallace, who developed the theory of evolution through his own research.

VOA: standard.2009.11.25