More or Less: Behind the Stats - WS MoreOrLess: Sachin Tendulkar – best batsman of all time?

Sachin Ramesh Tendulkar has amassed 15,847 test runs, which is 2,500 more runs than any other batsman. But other ways have been devised to calculate cricketing greatness and the Little Master, as he has become known, does not feature as prominently in a lot of them. More or Less crunches the numbers. This programme was first broadcast on the BBC World Service.

More or Less: Behind the Stats - WS MoreOrLess: Does politics make us get our sums wrong?

To what degree do our personal opinions cloud our judgement? Yale University researchers have attempted to detect and measure how our political beliefs affect our ability to make rational decisions. The study suggests that our ability to do maths plummets when we are looking at data which clashes with our worldview. Ruth Alexander and Ben Carter consider Professor Dan Kahan's findings. This programme was first broadcast on the BBC World Service.