Darwin knew his ideas on evolution would upset the religious establishment and he delayed publication of his work for more than 20 years.

VOA: standard.2009.11.25

"We need more good ideas. We do not need more point scoring;

VOA: standard.2009.03.17

The final Earth Day themed event took place Sunday. The Environmental Protection Agency, students and other organizations with ideas for a more sustainable future filled large white tents on the mall.

VOA: standard.2010.04.25

He was granted more than 600 patents. His ideas for processes or devices are used in bar-code scanners, automated warehouse manufacturing systems,fax and automated teller machines, the crying baby doll, and Sony Walkman portable cassette player.

VOA: standard.2009.12.18

"In order to reverse the situation and to give themselves a little bit more leverage, they are turning towards new kinds of ideas or at least ideas that they are pushing forward and making more prominent than they were before."

VOA: standard.2010.05.03