Economies are complex beasts that need people to do an extraordinary range of tasks.

Huge sums are invested globally in medical research and development - and with good reason.

In Britain, polls show large majorities in favour of mansion taxes and higher taxes on the finance sector.

Democracy isn't solely about polite conversations in parliaments. It needs to be continually refreshed with raw passions, anger and ideals.

Systems governed by only one set of rules are more vulnerable than those with variety.

Britain is rich in radicalism, and anyone who says that our society has drifted into fatalism and apathy should get out more.

Teenagers learn best by doing things, they learn best in teams and they learn best by doing things for real - all the opposite of what mainstream schooling actually does.