Karen Addington, chief executive of Juvenile Diabetes Research Foundation, who funded the research said the study provided "proof of principle" of an artificial pancreas.

BBC: Artificial pancreas hope for children with diabetes

Dr Lorenz Studer, head of the Stem Cell and Tumor Biology Laboratory at the centre, and the lead researcher on the study, told BBC News Online that the study was "proof of principle" that cloned embryonic stem cells could be reliably transformed into a variety of useful cell types.

BBC: NEWS | Health | Mouse cloned to cure Parkinson's

This bedrock free market principle was reaffirmed this month in the form of a new study from economists Arthur Laffer and Stephen Moore examining state income tax rates.

FORBES: The Reality Of Higher Taxes On Income Is An Ugly One

How this general principle plays out in particular, though, is the subject of eager study.

ECONOMIST: Ageing

They may be taught the basics of interest rates as a mathematical principle, but applied economics is a topic often left until high school for study.

FORBES: How Online Gaming Can Teach Kids About the Economy

Andrew Husband, principle lecturer in pharmacy at the University of Sunderland and lead on the Gateshead study said allergies were a significant cause of avoidable adverse drug reactions among hospital in-patients each year.

BBC: Patients should be asked about allergies on admission

The study argued that managing biodiversity needs to be enshrined in the design stages of projects, especially if the principle of a 'net gain' in biodiversity is to be achieved.

BBC: Jobs or birds: Turning Rio rhetoric into reality