Increasingly, companies vie with each other to be seen as "green".

BBC: Rio: Rating the environmental stars

There is a basic (and constitutional) difference between seeking more power for all ten provinces, seen as equals with each other, and the French-Canadian view, not confined to secessionists, that today's Canada was born of a compact between two equal peoples, French-speakers and English (a minority until around 1850), which has since been repeatedly upset.

ECONOMIST: The lesson of Quebec

As the two cars draw alongside each other, Bird is seen shooting at the passing motorist.

BBC: Cumbria shootings: Timeline of Derrick Bird's rampage

These fields include areas of nanotechnology, where the categories of physics, chemistry and biology overlap and collapse on each other so as to create new kinds of science, and quantum mechanics, where experimental outcomes are usually seen only in blackboard-based probability formulas.

FORBES: Big Data's People-Changing Machine