Scrolling: Our technical team will have all stories available for our subscribers as soon as possible.

Attention subscribers

Due to technical difficulties, articles appearing in this week's edition of Upstream cannot be found through a search of the site.

9 March 2012 3:41 GMT Updated 9 March 2012 3:41 GMT

The stories can be read in our hardcopy edition, available online here.

We apologise for any inconvenience.

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