Are university rankings helpful? And two ideas to help you spend 80,000 hours on the right thing.

This week we look closely at university rankings and league tables. What are they? What do people in the sector think about them? And are they of any help to you?

We also look at an amazing website that can help you work out how to make a real difference in your career.

And the penny drops on an unbelievably simple, but massively important idea about choosing a career and a course.