Can ethanol champions Brazil convince the world that sugar really is good for you?
Peter Day wonders whether a microloan bubble is about to burst.
Peter Day hears from people who are taking a different approach to running companies.
Smaller businesses are still struggling to cope with the impact of the credit crunch.
The university societies which unite would-be entrepreneurs with potential backers.
The future for new media once digital disruptions and the global recession are over.
In San Diego, Peter Day investigates the company that produces WD40's secret formula.
Could Bolivia could become what experts are calling 'the Saudi Arabia of lithium'?
Peter Day asks whether female skills can help to guide the world out of the credit crunch.
Peter Day meets John Timpson, head of Timpsons shoe repair firm.