This principle finds its clearest expression today in the work of the IAEA and its director general.

BBC: NEWS | Europe | ElBaradei's peace prize citation

The principle would work, he says, for any species with a genetic structure to its population.

ECONOMIST: DNA tracking

It is because of a thorough understanding of this principle that I seek out opportunities to serve through diversity work in my community, impacting its success today as well as in the years to come.

WHITEHOUSE: Champions of Change Blog