Likewise, other new physics is now more likely to be uncovered at CERN's Large Hadron Collider, which will add to our knowledge base.

CNN: Higgs and the holy grail of physics

They feel a sense of connection with their ancestral homeland and use their visit to gather information and impressions to add to their personal knowledge and understanding.

BBC: North Highland College launches online ancestry courses

But a resource that can be edited by experts and non-experts alike will always carry risks, and perhaps that's Wikipedia's greatest lesson for us all: that its very existence must force us to question notions of accuracy and reliability, while giving us a means to correct errors and add to the global knowledge pot.

CNN: Use with caution: The perils of Wikipedia

To make the machine commercial strength and add depth to his materials science knowledge, he brought in Weinberg, his onetime chemical engineering professor at the California Institute of Technology.

FORBES: Upstart Symyx is shaking up the stodgy chemicals industry.

Justice Ginsburg has explained very recently...that foreign opinions...can add to the story of knowledge relevant to the solution of a question, and she's right.

CENTERFORSECURITYPOLICY: Judging the truth

Likewise, status updates on mobile can add to Google's knowledge about who does what when, which can affect the sorts of buildings and businesses it identifies on Google Maps.

FORBES: Social Media

The new employee has to add real value to the business, which could be specific knowledge or experience in the field, he says.

BBC: Brazilian family firms reveal tips for success

The appearances of Rupert and James Murdoch before Westminster's culture select committee made gripping television but did they add much to the sum of human knowledge?

BBC: Do politicians ask the right questions?

Add to that larger cultural trends--especially the baby-boomer obsession with and fairly broad knowledge of health issues--and the kids began to rebel against the old ways, demanding, with their buying power, more of a participatory role in their spa experiences.

FORBES: Magazine Article