Air and water problems mainly make headlines these days when extraordinary pulses of pollution surge in places like Beijing and Shanghai.
Saturday's real draw is one of only a couple of PJ Harvey UK festival gigs this summer and it is extraordinary, pulsing with the richness and drama of her Gallipoli-inspired new album, the rush of battle and the bitterness of its aftermath.
What's extraordinary is the pulse of the routines, the seamless, hypnotic segues taking you from whether mesquite is actually made from mosquitoes - "So, anyway " - to licking tongue compressors in the doctor's surgery - "what's that about?" - all without you even noticing you were going somewhere.
The detonation produced a second, more extraordinary effect: an electromagnetic pulse that deaded all electronics within a six-hundred-square-mile radius.
Stickiness is the basis, too, of Mr. Waits's extraordinary playing, in which pulse is negotiable, and every number presents an opportunity to play a kind of agitated concerto for snare drum.
But after experiencing the pulsing music, extraordinary outfits and sheer theatre of the event, they changed their minds, says Andrew Brewerton, principal of the college.
Among the huge numbers of people at the vigil, many of whom carried rainbow flags or the national emblem of Puerto Rico in reflection of the large number of Hispanic victims, was a man who described to the Guardian his extraordinary story of survival at Pulse.
However, realistic modelling of extraordinary actions requires the load pulse distributions to have a concentrated probability at zero.
A systematic feature of the pulses is their partial splitting into ordinary (O) and extraordinary (X) parts, producing a tripartite compound pulse at the satellite.
But Le Carré's extraordinary ability to find the sinister pulse of international politics over more than half a century makes him an exception.
