Black poplars are threatened by disease and the hope is that the discovery of the new clones will help identify strains that will be resistant.

BBC: Black poplar trees found in Denbighshire lay-by 'unique'

From new hires to clones, here are my tips on the building for the better within your company team.

FORBES: How CEOs Can Build A Better Work Team In 2012

The business of daily deals created dozens of clones, but is too new for us to have created a category in our Customer Loyalty Engagement Index to measure them.

FORBES: Have I Got a Deal For You!

Comforting except for this week's evidence that New Labour is up to old tricks, manipulating party rules to make sure that Blairite clones rather than free spirits such as Ken Livingstone and Rhodri Morgan emerge as the party's candidates for London's mayor and first minister of Wales.

ECONOMIST: Is Tony Blair a Dalek?