The Hans Hedemann Surf School has a location at Turtle Bay, five miles west of Pupukea, where experienced instructors provide one-on-one lessons.

BBC: Stunning footage of one of Hawaii��s deadliest waves

For Jade, 18, preparing for her A2s (the final part of A-levels), one-on-one revision lessons run by the school are proving useful.

BBC: Tips on how to survive the exam season

If Mr Hazare's movement goads the government into bringing out a firm anti-graft law - the jury is still out on that one - and both he and the politicians learn their lessons from the experience, it would have served its purpose.

BBC: Has Anna Hazare's campaign run its course?

Another change was that the importance of process safety -- focusing on an operation as a whole, rather than small individual accidents -- was one of the lessons of the Texas City disaster and has now been emphasised in the drilling operations as well as BP's refineries, Mr Morrison said.

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Another site, Grovo.com, offers one-minute video lessons on recent changes to websites, mobile apps and online tools.

WSJ: Learning New Software

One of the hard lessons from the pre-school sandbox is that bullies thrive on weakness.

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