1. Dara O'Briain's School of Hard Sums
2. Mathematics

Using the example of hot dog calorie counts, we use boxplots to visualise the five-number summary and make comparisons between different types of frankfurters.

It's helpful to know the centre of a distribution - which is what the clerical workers in Colorado Springs found out in the 1980s when they campaigned for comparable wages for comparable work.

Meteorologists use histograms to map when lightning strikes and this visualisation technique helps them understand the data in new ways.

Statistics is the art and science of gathering, organising, analysing and drawing conclusions from data. And without rudimentary knowledge of how it works, people can't make informed judgements and evaluations of a wide variety of things encountered in daily life.

A lowly alien is forced to go on the run and becomes unlikely buddies with a teenage girl. The two embark on a comical globe-trotting adventure to right his wrongs, and learn what it means to be human.

Guest comedians Sally Phillips and Kevin Bridges pit their muscles and common sense against the power of Dara's mathematically-trained brain as they battle it out to solve puzzles and problems set by Professor Marcus du Sautoy. Today's theme is, 'The Maths of Sport'.

Guest comedians Jon Richardson and Stephen K Amos pit their brute strength and common sense against Dara's mathematically-minded brain as they battle it out to solve puzzles and problems set by Professor Marcus du Sautoy. Today's theme is, 'The Maths of Old Age'.

Guest comedians Susan Calman and Andrew Maxwell pit their muscles and common sense against Dara's big maths brain as they battle it out to solve puzzles and problems set by Professor Marcus du Sautoy. Today's theme is: 'The Maths of Balls'.

Guest comedians Josh Widdicombe and Peter Serafinowicz pit their muscles and common sense against Dara's mathematically-trained brain as they battle it out to solve puzzles and problems set by Professor Marcus du Sautoy. Today's theme is: 'The Maths of the Great Outdoors'.

Guest comedians Marcus Brigstocke and Josh Widdicombe pit their common sense against Dara's mathematically-minded brain as they battle it out to solve puzzles and problems set by Professor Marcus du Sautoy. The theme is, 'how maths gets you more bang for your buck'.

Guest comedians Sally Phillips and Jon Richardson pit their muscles and common sense against the power of Dara's mathematical brain as they battle it out to solve puzzles and problems set by Oxford Professor Marcus du Sautoy. Today's theme is: 'The Maths of Making and Breaking'.

Guest comedians Kevin Bridges and Peter Serafinowicz pit their muscles and common sense against Dara's big maths brain as they battle it out to solve puzzles and problems set by Oxford Professor Marcus du Sautoy. Today's theme is "How Maths Can Help You Eat Better".

NOVA leads viewers on a mathematical mystery tour - a provocative exploration of math's astonishing power across the centuries. We discover math's signature in the swirl of a nautilus shell, the whirlpool of a galaxy, and the spiral in the centre of a sunflower. Math was essential to everything from the first wireless radio transmissions to the successful landing of rovers on Mars. But where does math get its power?

Guest comedians Tim Key and Alex Horne pit their common sense against Dara's mathematically-minded brain as they battle it out to solve puzzles and problems set by Professor Marcus du Sautoy. Today's theme is, 'How Maths Can Take You All the Way'.

Guest comedians Susan Calman and Richard Herring pit their common sense against Dara's mathematically-minded brain as they battle it out to solve puzzles and problems set by Professor Marcus du Sautoy. Today's theme is, 'How Maths Can Feel the Force'.

Guest comedians Josie Long and Alex Horne pit their common sense against Dara's mathematically-minded brain as they battle it out to solve puzzles and problems set by Professor Marcus du Sautoy. Today's theme is, 'Maths at the End of the World'.