One was the ability of the vaccine to prevent infections from the human immunodeficiency virus, better known as H.I.V.

VOA: special.2009.10.13

The findings suggest that the human brain has developed this special ability as a survival method.

VOA: special.2010.02.24

"It is about the ability to understand our world, to harness and train that human capacity to solve problems and think critically a set of skills that informs the decisions we make throughout our lives."

VOA: standard.2009.11.24