Duration: 02:11

A problem involving the ambiguities of language. Marcus du Sautoy sets a word puzzle involving two mathematicians.

Duration: 00:51

A discussion about a ride which is pivoted in two places to form an ellipse. The operator talks about its capacity, speed and maximum height.

Duration: 01:35

A Cleethorpes man is preparing to tackle the record for cycling around the world.

Duration: 01:01

The Top Gear team decide to race an aeroplane and a car from mainland Europe to London.

Duration: 00:44

The Top Gear team decide to race an aeroplane and a car from mainland Europe to London.

Duration: 01:44

The Top Gear team decide to race an aeroplane and a car from mainland Europe to London.

Duration: 05:23

The Top Gear team decide to race an aeroplane and a car from mainland Europe to London.

Duration: 03:18

Marcus du Sautoy presents a problem about finding the average speed on his imagined commute to work and back.

Duration: 07:28

A race between a car and a bobsleigh along a 2km course of ice.

Duration: 07:03

Which will win in a lap of a greyhound track - a car or a dog?

Duration: 06:46

A car races on mountainous roads while a skydiver freefalls and parachutes to an agreed point - but which is fastest?

Duration: 03:03

An investigation into how objects can be made to look much heavier than they actually are by using different materials.

Duration: 01:40

The volumes of a number of bottles of shampoo are compared. Does the design of the bottle influence how much we think is inside?

Duration: 01:17

A look at the helter skelter ride. A list of data about the slide is given, which pupils can manipulate.

Duration: 03:00

A designer at London Zoo has used scale drawings of a set of old enclosures to redesign them into a single large enclosure.

Duration: 02:53

Enclosures at London Zoo are designed to ensure the animals cannot escape.

Duration: 05:36

Marcus du Sautoy explains the idea of dimensions to Alan Davies, starting with one dimension and ending up with the 4D cube.

Duration: 02:01

An investigation into the extreme weather conditions experienced in the UK during the unusually cold February of 2009.

Duration: 12:42

Is it possible to drive from London to Edinburgh and back on one tank of diesel?

Duration: 07:46

Just how fast can the Bugatti Veyron go?

Duration: 06:55

Is it possible to measure the exact length of a piece of string?

Duration: 09:46

In this classic Top Gear stunt the team plan to propel a Mini down a ski jump.

Duration: 01:33

A trip to the Natural History Museum reveals how seemingly heavy bronze statues can stand on fragile glass bowls.

Duration: 04:26

How does calculating surface area help to wrap presents?

Duration: 07:46

Just how fast can the Bugatti Veyron go?

Duration: 04:39

Presenter Carol Vorderman explains how we are naturally good at calculating distance using perspective.

Duration: 03:10

Presenter James May is coached by racing driver Jackie Stewart with the intention of reducing his lap times.

Duration: 01:08

Presenter James May is coached by racing driver Jackie Stewart with the intention of reducing his lap times.

Duration: 01:17

A report about the Nova Two, the UK's largest space rocket, designed to take tourists into space.

Duration: 03:22

An introduction to the training and requirements for Olympic swimming. Discusses distances, time and training techniques.

Duration: 01:39

A description of the type of paper used on a printing press. Discusses paper quality and quantity and the costs involved.

Duration: 03:44

The Top Gear team buy a second-hand supercar each for ten thousand pounds, but are they any good?

Duration: 03:01

A British team racing to the South Pole has been narrowly beaten by a Norwegian team.

Duration: 04:30

The Top Gear stuntman attempts to recreate the famous James Bond car-roll stunt.

Duration: 00:59

How the printed page is rolled onto discs and stored before binding.

Duration: 04:37

A description of the size and jet power of a modern 747 aeroplane, with a test of the engine power in Top Gear style.

Duration: 10:49

What sort of car could you buy for just £100?

Duration: 02:09

Describes the design of the Millennium Dome and looks at many of the concealed shapes and solids within the dome. Gives some measurements and uses mathematical vocabulary to describe the shapes fully.

Duration: 01:01

An Uzbek woman who is thought to be 128 years old could be the oldest person ever documented.

Duration: 06:27

Marcus du Sautoy and Alan Davies explore fractal geometry and the problem of measuring a coastline.

Duration: 09:11

At a snail farm in Dorset, Stefan Gates finds out the land needed to produce a kilo of snail meat. At a school the students compare his figures with those for lamb meat.

An animated step-by-step guide to calculations involving distance, speed and time.

Duration: 01:23

A 16-year-old from Potters Bar is attempting to break a new world record by becoming the youngest round-the-world solo skipper.