However, the teenage brain changes on a dramatic scale, even IQ does not seem to be stable.

BBC: How could cannabis alter the teenage brain?

And his solutions, particularly the use of fiscal stimulus, have been adopted on a dramatic worldwide scale.

ECONOMIST: John Maynard Keynes

Dramatic advances in technologies such as fuel cells and microturbines, which generate power efficiently and cleanly on a smaller scale, may make up the shortfall.

ECONOMIST: Charge ahead