Once again, waves of movement perturb the crowd, catapulting the less vigilant into the rear ranks.

NPR: 'The Swallows of Kabul' Book Excerpt

But these playful supernatural elements don't gel with the movie's psychological pretensions, or its eager, addle-headed urge to shock and perturb.

CNN: Review: '23' is a bad number

Very few events are able to perturb an increasingly globalised world.

ECONOMIST: Disasters are about people and planning, not nature��s pomp

But when nuclear weapons, environmentalism and genetics began to perturb Western public opinion in the 1960s, so more scientists followed Albert Einstein out of the academy and into the public arena.

ECONOMIST: And what it says about the role of public intellectuals

Local journalists who perturb Arpaio have also been targeted.

NEWYORKER: Sheriff Joe

After all, it is hard to perturb a concierge.

WSJ: Forget the Old College Try, Ring the Concierge