http://newswatch.nationalgeographic.com/2014/08/27/watch-death-valleys-rocks-walk-before-your-eyes/
The stones were caught in the act, at last.
How do you get tall-masted boats clearance under a low bridge quickly? Here is a proposed new solution in the Netherlands, the tilting sluice (kantelsluis). It has a neutral energy balance, and can be applied at existing bascule bridges. This solution has been proposed for the Haringvliet Bridge (A29) south of Rotterdam.
(from Science Dump)
http://www.businessinsider.com/anthony-green-tutoring-2014-8
That promise seems to be enough for his well-heeled clientele (kids of Fortune 500 CEOs). And for this very small but wealthy minority, money is truly no object. Green charges $1,500 for 90 minutes of one-on-one tutoring, and he insists on a minimum of 14 90-minute sessions, with very rare exceptions.
Join the repair crew, fixing a finger of the Christ the Redeemer statue, which was damaged by lightning.